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<!DOCTYPE html> <html lang="en"><head><title>Features and Operation. More than Secure Messaging – Threema</title><link rel="canonical" href="https://threema.ch/en/features"/> <link rel="stylesheet" href="https://static.threema.ch/fonts/labgrotesque.css"/> <meta name="viewport" content="width=device-width, initial-scale=1.0"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <meta name="description" content="Polls, voice messages, group chats, distribution lists, and more. 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Threema packs a lot uf useful features but avoids unnecessary gimmicks."/> <meta name="robots" content="all"/> <link rel="alternate" title="Threema Blog" href="https://threema.ch/en/blog/feeds/rss" type="application/rss+xml"/> <link rel="apple-touch-icon" href="/favicon/apple-icon-180x180.png" type="image/png" sizes="180x180"/> <link rel="icon" href="/favicon/favicon-192x192.png" type="image/png" sizes="192x192"/> <link rel="icon" href="/favicon/favicon-32x32.png" type="image/png" sizes="32x32"/> <link rel="icon" href="/favicon/favicon-16x16.png" type="image/png" sizes="16x16"/> <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" sizes="48x48"/> <link rel="icon" href="/favicon.ico" type="image/x-icon" sizes="48x48"/> <link rel="icon" href="/favicon/favicon.svg" type="image/svg+xml" sizes="any"/> <link rel="alternate" hreflang="de" href="https://threema.ch/de/funktionen"/> <link rel="alternate" hreflang="en" href="https://threema.ch/en/features"/> <link rel="alternate" 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class="nav-top"><div class="navbar-top-subNav d-sm-inline-flex flex-sm-row-reverse"><ul class="navbar-nav ml-auto"><li class="nav-item thr-jobs" data-key="jobs"><a class="nav-link" href="/en/jobs"><span class="nav-link-text">Jobs<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li></ul></div><div class="nav-lang nav-dropdown dropdown"><div class="nav-dropdown-btn nav-dropdown-btn--lang thr-textIcon thr-textIcon--small" data-toggle="dropdown"><div class="thr-svg thr-svg--w-100 d-flex w-3"><svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" viewBox="0 0 13.3 13.3"><path fill="none" d="M-8.8-10.3h71.9c.9 0 1.2.1 1.5.3s.6.4.8.8c.2.3.3.6.3 1.5v28.9c0 .9-.1 1.2-.3 1.5-.2.3-.4.6-.8.8-.3.2-.6.3-1.5.3H-8.8c-.9 0-1.2-.1-1.5-.3-.3-.2-.6-.4-.8-.8-.2-.3-.3-.6-.3-1.5v-29c0-.9.1-1.2.3-1.5s.4-.6.8-.8.6-.2 1.5-.2z"/><path fill="currentColor" d="M6.7 0a6.7 6.7 0 1 0 0 13.4A6.7 6.7 0 0 0 6.7 0zm4.6 4h-2c-.2-.8-.5-1.6-.9-2.4 1.2.5 2.2 1.3 2.9 2.4zM6.7 1.4c.6.8 1 1.7 1.3 2.6H5.4c.3-.9.7-1.8 1.3-2.6zM1.5 8c-.1-.4-.2-.9-.2-1.3s.1-.9.2-1.3h2.3c-.1.4-.1.8-.1 1.3s0 .9.1 1.3H1.5zm.6 1.3h2c.2.8.5 1.6.9 2.4-1.3-.4-2.3-1.3-2.9-2.4zM4 4H2c.6-1.1 1.7-2 2.9-2.4-.4.8-.7 1.6-.9 2.4zm2.7 8c-.6-.8-1-1.7-1.3-2.6h2.5c-.2.9-.7 1.8-1.2 2.6zm1.5-4H5.1c0-.4-.1-.9-.1-1.3 0-.5 0-.9.1-1.3h3.1c.1.4.1.9.1 1.3s0 .9-.1 1.3zm.2 3.7c.4-.7.7-1.5.9-2.4h2c-.7 1.1-1.7 2-2.9 2.4zM9.6 8c.1-.4.1-.9.1-1.3 0-.5 0-.9-.1-1.3h2.3c0 .4.1.8.1 1.3s-.1.9-.2 1.3H9.6z"/></svg> </div>en</div><div class="nav-dropdown-menu dropdown-menu"><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/de/funktionen" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Deutsch</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left nav-dropdown-item--active" href="/en/features" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">English</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/fr/fonctionnalites" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Français</span></a><a class="nav-dropdown-item nav-dropdown-item--small text-left" href="/es/caracteristicas" dir="ltr"><span class="nav-dropdown-itemTitle nav-dropdown-itemTitle--small">Español</span></a></div></div><div class="nav-dropdown dropdown"><button class="thr-btn-transparent nav-dropdown-btn nav-dropdown-btn--products dropdown-toggle thr-textIcon thr-textIcon--right thr-textIcon--chevronDown" data-toggle="dropdown">Products</button><div class="nav-dropdown-menu dropdown-menu"><div class="nav-dropdown-group text-left" dir="ltr"><a class="nav-dropdown-item nav-dropdown-item--center" href="/en"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Overview</span></div></a></div><div class="nav-dropdown-group text-left" dir="ltr"><p class="nav-dropdown-group-title">For Individuals</p><a class="nav-dropdown-item nav-dropdown-item--active" href="/en/secure-messenger"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 61 60"><g fill="none" fill-rule="nonzero" transform="translate(.5)"><rect width="60" height="60" fill="#323232" rx="2.93"/><path fill="#FFF" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#05A63F" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema</span><span class="nav-dropdown-itemDesc">For individuals</span></div></a><a class="nav-dropdown-item " href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></div><div class="nav-dropdown-group text-left" dir="ltr"><p class="nav-dropdown-group-title">For Companies</p><a class="nav-dropdown-item " href="/en/work/business-messenger?li=business-solution"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><rect width="60" height="60" fill="#004A7F" rx="3"/><path fill="#FFF" fill-rule="nonzero" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#0096FF" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema Work</span><span class="nav-dropdown-itemDesc">For companies</span></div></a><a class="nav-dropdown-item " href="/en/broadcast"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Broadcast</span><span class="nav-dropdown-itemDesc">Top-down communication</span></div></a><a class="nav-dropdown-item " href="/en/onprem"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><g fill="none" fill-rule="evenodd"><path fill="#BB2E27" d="M4.883 0A4.883 4.883 0 0 0 0 4.883v90.234A4.883 4.883 0 0 0 4.883 100h90.234A4.883 4.883 0 0 0 100 95.117V4.883A4.883 4.883 0 0 0 95.117 0H4.883Z"/><g fill="#FFF"><path d="m36.975 66.842-15.548 4.147 3.323-14.183c-3.29-4.627-5.21-10.187-5.21-16.168 0-16.095 13.896-29.144 31.035-29.144 17.14 0 31.034 13.049 31.034 29.144S67.715 69.782 50.575 69.782c-4.878 0-9.493-1.057-13.6-2.94Zm4.796-28.623h-.347c-.78 0-1.414.676-1.414 1.511v13.24c0 .834.633 1.51 1.414 1.51h18.301c.781 0 1.414-.676 1.414-1.51V39.73c0-.835-.633-1.51-1.414-1.51h-.345v-3.754c0-5.175-3.94-9.38-8.809-9.38-4.86 0-8.8 4.205-8.8 9.38v3.753Zm14.087 0H45.293v-3.751c0-3.107 2.364-5.631 5.28-5.631 2.921 0 5.285 2.524 5.285 5.63v3.752ZM55.853 82.51a5.278 5.278 0 0 1-5.283 5.281 5.28 5.28 0 1 1 5.283-5.28m-19.05 0a5.28 5.28 0 0 1-5.283 5.28 5.28 5.28 0 1 1 5.283-5.28m38.1 0a5.278 5.278 0 0 1-5.284 5.28 5.277 5.277 0 0 1-5.276-5.28 5.28 5.28 0 0 1 10.56 0"/></g></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema OnPrem</span><span class="nav-dropdown-itemDesc">Self-hosted enterprise messaging</span></div></a><a class="nav-dropdown-item " href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></div></div></div></div><div class="navbar-collapse collapse d-sm-inline-flex flex-sm-row-reverse"><div class="navbar-collapse-top"><div class="thr-headLogoWrapper"><a class="thr-headBrandIcon" href="/en/secure-messenger"><img alt="Threema" class="thr-headBrandIcon__img" src="/images/icons/threema-icon.svg"/></a><a class="navbar-brand" href="/en/secure-messenger"><img alt="Threema." class="thr-logo" src="/images/logo.svg"/></a></div><button type="button" class="navbar-toggler collapsed navbar-close-btn" data-toggle="collapse" data-target=".navbar-collapse"><div class=""></div></button></div><ul class="navbar-nav"><li class="nav-item thr-security" data-key="security"><a class="nav-link" href="/en/security"><span class="nav-link-text">Security<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-downloads" data-key="downloads"><a class="nav-link" href="/en/download"><span class="nav-link-text">Download<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-about nav-item--withSubNav" data-key="about"><button class="nav-link">About</button></li><li class="nav-item thr-support" data-key="support"><a class="nav-link" href="/en/support"><span class="nav-link-text">Support<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-blog" data-key="blog"><a class="nav-link" href="/en/blog"><span class="nav-link-text">Blog<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><div class="nav-item--borderTop"></div><div class="nav-item nav-item--light nav-item--showOnlyMobile thr-jobs" data-key="jobs"><a class="nav-link" href="/en/jobs" title="Jobs">Jobs</a></div><div class="nav-item nav-item--showOnlyMobile nav-item--light nav-item--withSubNav" data-key="language"><div class="nav-link d-flex"><div class="thr-svg thr-svg--w-100 d-flex w-3"><svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" viewBox="0 0 13.3 13.3"><path fill="none" d="M-8.8-10.3h71.9c.9 0 1.2.1 1.5.3s.6.4.8.8c.2.3.3.6.3 1.5v28.9c0 .9-.1 1.2-.3 1.5-.2.3-.4.6-.8.8-.3.2-.6.3-1.5.3H-8.8c-.9 0-1.2-.1-1.5-.3-.3-.2-.6-.4-.8-.8-.2-.3-.3-.6-.3-1.5v-29c0-.9.1-1.2.3-1.5s.4-.6.8-.8.6-.2 1.5-.2z"/><path fill="currentColor" d="M6.7 0a6.7 6.7 0 1 0 0 13.4A6.7 6.7 0 0 0 6.7 0zm4.6 4h-2c-.2-.8-.5-1.6-.9-2.4 1.2.5 2.2 1.3 2.9 2.4zM6.7 1.4c.6.8 1 1.7 1.3 2.6H5.4c.3-.9.7-1.8 1.3-2.6zM1.5 8c-.1-.4-.2-.9-.2-1.3s.1-.9.2-1.3h2.3c-.1.4-.1.8-.1 1.3s0 .9.1 1.3H1.5zm.6 1.3h2c.2.8.5 1.6.9 2.4-1.3-.4-2.3-1.3-2.9-2.4zM4 4H2c.6-1.1 1.7-2 2.9-2.4-.4.8-.7 1.6-.9 2.4zm2.7 8c-.6-.8-1-1.7-1.3-2.6h2.5c-.2.9-.7 1.8-1.2 2.6zm1.5-4H5.1c0-.4-.1-.9-.1-1.3 0-.5 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class="subNav-heading-text">About</span></span><ul class="subNav-items"><li class="nav-item thr-about_s1_story nav-item--subSubNav" data-key="about_s1_story"><a class="nav-link" href="/en/about"><span class="nav-link-text">Our Story<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-about_s1_jobs nav-item--subSubNav" data-key="about_s1_jobs"><a class="nav-link" href="/en/jobs"><span class="nav-link-text">Jobs<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-about_s1_press nav-item--subSubNav" data-key="about_s1_press"><a class="nav-link" href="/en/press"><span class="nav-link-text">Press<div 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xmlns="http://www.w3.org/2000/svg" viewBox="0 0 61 60"><g fill="none" fill-rule="nonzero" transform="translate(.5)"><rect width="60" height="60" fill="#323232" rx="2.93"/><path fill="#FFF" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#05A63F" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema</span><span class="nav-dropdown-itemDesc">For individuals</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></li></ul></li></ul><ul class="subNav-col py-2"><li class="nav-item nav-item--subNav nav-item--withSubNav"><p class="nav-dropdown-group-title">For Companies</p><ul class="subNav-items p-0"><li class="nav-item"><a class="nav-dropdown-item" href="/en/work/business-messenger?li=business-solution"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><rect width="60" height="60" fill="#004A7F" rx="3"/><path fill="#FFF" fill-rule="nonzero" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#0096FF" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema Work</span><span class="nav-dropdown-itemDesc">For companies</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/broadcast"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Broadcast</span><span class="nav-dropdown-itemDesc">Top-down communication</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/onprem"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><g fill="none" fill-rule="evenodd"><path fill="#BB2E27" d="M4.883 0A4.883 4.883 0 0 0 0 4.883v90.234A4.883 4.883 0 0 0 4.883 100h90.234A4.883 4.883 0 0 0 100 95.117V4.883A4.883 4.883 0 0 0 95.117 0H4.883Z"/><g fill="#FFF"><path d="m36.975 66.842-15.548 4.147 3.323-14.183c-3.29-4.627-5.21-10.187-5.21-16.168 0-16.095 13.896-29.144 31.035-29.144 17.14 0 31.034 13.049 31.034 29.144S67.715 69.782 50.575 69.782c-4.878 0-9.493-1.057-13.6-2.94Zm4.796-28.623h-.347c-.78 0-1.414.676-1.414 1.511v13.24c0 .834.633 1.51 1.414 1.51h18.301c.781 0 1.414-.676 1.414-1.51V39.73c0-.835-.633-1.51-1.414-1.51h-.345v-3.754c0-5.175-3.94-9.38-8.809-9.38-4.86 0-8.8 4.205-8.8 9.38v3.753Zm14.087 0H45.293v-3.751c0-3.107 2.364-5.631 5.28-5.631 2.921 0 5.285 2.524 5.285 5.63v3.752ZM55.853 82.51a5.278 5.278 0 0 1-5.283 5.281 5.28 5.28 0 1 1 5.283-5.28m-19.05 0a5.28 5.28 0 0 1-5.283 5.28 5.28 5.28 0 1 1 5.283-5.28m38.1 0a5.278 5.278 0 0 1-5.284 5.28 5.277 5.277 0 0 1-5.276-5.28 5.28 5.28 0 0 1 10.56 0"/></g></g></svg> </div><div><span class="nav-dropdown-itemTitle">Threema OnPrem</span><span class="nav-dropdown-itemDesc">Self-hosted enterprise messaging</span></div></a></li><li class="nav-item"><a class="nav-dropdown-item" href="/en/gateway"><div class="nav-dropdown-itemIcon thr-svg thr-svg--w-100"></div><div><span class="nav-dropdown-itemTitle">Threema Gateway</span><span class="nav-dropdown-itemDesc">Integration into your software</span></div></a></li></ul></li></ul></ul><ul class="navbar-subNav navbar-nav" data-key="logins"><li class="nav-item thr-work-login nav-item--subNav" data-key="work-login"><a class="nav-link" href="https://work.threema.ch/en/login"><span class="nav-link-text">Threema Work<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-broadcast-login nav-item--subNav" data-key="broadcast-login"><a class="nav-link" href="https://broadcast.threema.ch/en/login"><span class="nav-link-text">Threema Broadcast<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li><li class="nav-item thr-gateway-login nav-item--subNav" data-key="gateway-login"><a class="nav-link" href="https://gateway.threema.ch/en/login"><span class="nav-link-text">Threema Gateway<div class="nav-link-icon"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 10"><path d="M7.19 8.14H2.42v1.33h7.06V2.42H8.15v4.79L1.46.53l-.94.94 6.67 6.67Z" fill="currentColor" /></svg> </div></span></a></li></ul><ul class="navbar-subNav navbar-nav" data-key="language"><div class="nav-item" data-key="products"><a class="nav-link" href="/de/funktionen" title="Deutsch">Deutsch</a></div><div class="nav-item active" data-key="products"><a class="nav-link" href="/en/features" title="English">English</a></div><div class="nav-item" data-key="products"><a class="nav-link" href="/fr/fonctionnalites" title="Français">Français</a></div><div class="nav-item" data-key="products"><a class="nav-link" href="/es/caracteristicas" title="Español">Español</a></div></ul></div></div></header><main class="main" role="main"><div class="thr-teaserBanner"><div class="container-fluid"><div class="thr-teaserBanner__inner"><p class="thr-teaserBanner__text position-relative pr-4 pr-md-0"><b>Privacy Checkup:</b> Find out how to improve your online privacy<a class="d-md-none position-absolute left-0 top-0 right-0 bottom-0 thr-textIcon thr-textIcon--right thr-textIcon--chevronRightWhite justify-content-end" href="/en/blog/posts/privacy-checkup"></a></p><a href="/en/blog/posts/privacy-checkup" class="thr-teaserBanner__button thr-btn-secondary thr-btn-secondary--white thr-btn-secondary--xsmall d-none d-md-block">Learn more</a></div></div></div><div class="thr-section thr-feature-title-section"> <div class="container-fluid"> <div class="row justify-content-center"> <div class="col-lg-12 col-md-10 col-12"> <h1 class="text-center">Versatile Features, No Gimmicks</h1> <div class="thr-bar-divider mx-auto"></div> </div> <div class="col-md-8 col-10"> <h4 class="text-center text-secondary-gray600 ">Threema is easy to use, provides versatile features, and avoids useless gimmicks.</h4> </div> </div> </div> </div> <div class="thr-section thr-feature-text-section"> <div class="container-fluid"> <div class="row justify-content-lg-between justify-content-center"> <div class="col-lg-6 col-md-10 thr-desc-col"> <span class="sp-pub-i-MessageVoice-Message thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Text and Voice Messages</h1> <p>Quickly and conveniently send text messages, which can also be edited and deleted after sending. If you don’t have the time to type, voice messages come in handy.</p> </div> <div class="col-lg-5 col-md-10 thr-img-col"> <div class="thr-img-top"> <div class="avatar-chat-bubble"> <div class="acb-avatar"> <div class="thr-avatar-element" thr-play-in-view thr-id="avatar-anim-1" thr-avatar-group="features-1" thr-avatar-style="gray"></div> </div> <div class="acb-message"> <div class="acb-m-arrow"></div> <div class="acb-m-content"> <div class="thr-chat-animation thr-ca-text" thr-play-after="avatar-anim-1" thr-id="text-anim-1"></div> </div> </div> </div> </div> <div class="thr-img-bottom"> <div class="avatar-chat-bubble r"> <div class="acb-avatar"> <div class="thr-avatar-element" thr-avatar-group="features-1" thr-id="avatar-anim-2" thr-play-after="avatar-anim-1" thr-avatar-style="gray"></div> </div> <div class="acb-message"> <div class="acb-m-arrow"></div> <div class="acb-m-content"> <div class="thr-chat-animation thr-ca-audio" thr-play-after="text-anim-2"></div> </div> </div> </div> </div> </div> </div> </div> </div> <div class="thr-section thr-feature-group-section"> <div class="thr-wrapper"> <div class="container-fluid"> <div class="row justify-content-lg-between justify-content-center"> <div class="col-lg-5 col-10 thr-img-col"> <div class="thr-img-top"> <div class="avatar-chat-bubble"> <div class="acb-avatar"> <div class="thr-avatar-element" thr-avatar-group="features-2" thr-avatar-style="gray"></div> </div> <div class="acb-message"> <div class="acb-m-arrow"></div> <div class="acb-m-content"> <div class="thr-chat-animation thr-ca-audio" thr-play-in-view thr-id="group-msg-1"></div> </div> </div> </div> </div> <div class="thr-img-center"> <div class="avatar-chat-bubble r"> <div class="acb-avatar"> <div class="thr-avatar-element" thr-avatar-group="features-2" thr-avatar-style="gray"></div> </div> <div class="acb-message"> <div class="acb-m-arrow"></div> <div class="acb-m-content acb-m-content-full"> <div class="thr-chat-animation thr-ca-file" thr-play-after="group-msg-1" thr-id="group-msg-2"> <div class="sp-pub-v-Photo"></div> </div> </div> </div> </div> </div> <div class="thr-img-bottom"> <div class="avatar-chat-bubble"> <div class="acb-avatar"> <div class="thr-avatar-element" thr-avatar-group="features-2" thr-avatar-style="gray"></div> </div> <div class="acb-message"> <div class="acb-m-arrow"></div> <div class="acb-m-content"> <div class="thr-chat-animation thr-ca-text" thr-play-after="group-msg-2" thr-id="group-msg-3" thr-text-count="4"></div> </div> </div> </div> </div> </div> <div class="col-lg-6 col-10 thr-desc-col"> <span class="sp-pub-i-GroupAddUser thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Groups and Distribution Lists</h1> <p>Groups and distribution lists allow to send messages to multiple recipients at once. Groups are managed in a strictly decentralized manner. Except the group members themselves, no one – not even Threema – knows who is member of a group.</p> <a class="thr-lnk" href="/en/support#group-chats">Learn more</a> </div> </div> </div> </div> </div> <div class="thr-section thr-feature-web-section"> <div class="container-fluid"> <div class="row justify-content-center"> <div class="col-10 col-md-5 col-lg-4 thr-desc-col"> <span class="sp-pub-i-BrowserCursor thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Conveniently Chat from the Desktop</h1> <p>Thanks to the desktop app and the web client, chatting from the desktop is just as secure as using the Threema app on your phone. You have full access to your entire chat history as well as all contacts and media files.</p> <a class="thr-lnk" href="/en/faq/web_use">Learn more</a> <div> <a class="thr-btn mb-3" href="/en/download#desktop">Download desktop app</a> </div> <div> <a class="thr-btn-secondary nw" href="https://web.threema.ch">Open web client</a> </div> </div> <div class="col-10 col-md-5 col-lg-8 thr-img-col"> <div class="thr-img-center"></div> </div> </div> </div> </div> <div class="thr-section thr-feature-media-section"> <div class="container-fluid"> <div class="row justify-content-center"> <div class="col-lg-6 col-10 text-md-center"> <div class="thr-animation thr-animation-files"> <ul> <li> <div class="thr-animation thr-a-fade-in" thr-id="file1" thr-play-in-view> <div> <span class="icon file"><span class="sp-pub-w-ri-Files"></span></span> <span>Files</span> </div> </div> <ul> <li> <div class="thr-animation thr-a-fade-in" thr-id="file2" thr-play-after="file1"> <div> <span class="icon mp3"><span class="sp-pub-ri-Music"></span></span> <span>MP3s</span> </div> </div> </li> <li> <div class="thr-animation thr-a-fade-in" thr-id="file3" thr-play-after="file2"> <div> <span class="icon anim-gif"><span class="sp-pub-ri-Image"></span></span> <span>Animated GIFs</span> </div> </div> </li> <li> <div class="thr-animation thr-a-fade-in" thr-id="file4" thr-play-after="file3"> <div> <span class="icon doc"><span class="sp-pub-ri-Office"></span></span> <span>Office Documents</span> </div> </div> </li> <li> <div class="thr-animation thr-a-fade-in" thr-id="file5" thr-play-after="file4"> <div> <span class="icon pdf"><span class="sp-pub-ri-PDF"></span></span> <span>PDFs</span> </div> </div> </li> </ul> </li> <li> <div class="thr-animation thr-a-fade-in" thr-id="file6" thr-play-after="file5"> <div> <span class="icon location"><span class="sp-pub-w-ri-Location"></span></span> <span>Locations</span> </div> </div> </li> <li> <div class="thr-animation thr-a-fade-in" thr-id="file7" thr-play-after="file6"> <div> <span class="icon other-media"><span class="sp-pub-w-ri-Image"></span></span> <span>Images and Videos</span> </div> </div> </li> </ul> </div> </div> <div class="col-lg-6 col-10"> <span class="sp-pub-i-LocationFile thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Share Files, Media, and Locations</h1> <p>Use Threema to send any type of file. Just like text messages, files are end-to-end encrypted, of course.</p> </div> </div> </div> </div> <div class="thr-section thr-feature-survey-section"> <div class="thr-wrapper"> <div class="container-fluid"> <div class="row justify-content-center"> <div class="col-lg-6 col-md-5 col-12"> <div class="thr-img-center"> <div class="thr-ballot"> <div class="thr-ballot-header"> <div></div> <div> <div class="thr-avatar-element" thr-avatar-group="features-3" thr-avatar-num="6" thr-avatar-size="small" thr-avatar-style="gray"></div> </div> <div> <div class="thr-avatar-element" thr-avatar-group="features-3" thr-avatar-num="4" thr-avatar-size="small" thr-avatar-style="gray"></div> </div> <div> <div class="thr-avatar-element" thr-avatar-group="features-3" thr-avatar-num="3" thr-avatar-size="small" thr-avatar-style="gray"></div> </div> <div> <div class="thr-avatar-element" thr-avatar-group="features-3" thr-avatar-num="1" thr-avatar-size="small" thr-avatar-style="gray"></div> </div> </div> <div> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="2" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote vote-yes"></span></div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> <div><span class="vote vote-yes"></span></div> </div> <div class="thr-animation selected"> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="2" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote vote-yes"></span></div> <div><span class="vote vote-yes"></span></div> <div><span class="vote vote-yes"></span></div> <div><span class="vote vote-yes"></span></div> </div> <div> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="3" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> </div> <div> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="2" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote"></span></div> <div><span class="vote vote-yes"></span></div> <div><span class="vote vote-yes"></span></div> <div><span class="vote"></span></div> </div> <div> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="2" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> <div><span class="vote"></span></div> <div><span class="vote vote-yes"></span></div> </div> <div> <div> <div class="thr-chat-animation thr-ca-text" thr-text-count="3" thr-interval="1" thr-play-in-view></div> </div> <div><span class="vote vote-yes"></span></div> <div><span class="vote"></span></div> <div><span class="vote vote-yes"></span></div> <div><span class="vote"></span></div> </div> </div> </div> </div> <div class="col-lg-6 offset-lg-0 offset-md-1 col-md-5 col-10"> <span class="sp-pub-i-GroupPoll thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Handy Poll Feature</h1> <p>Create polls in no time to gather the other group members’ opinions in an efficient manner.</p> <a class="thr-lnk" href="/en/faq/poll">Learn more</a> </div> </div> </div> </div> </div> <div class="thr-section thr-feature-call-section"> <div class="container "> <div class="row justify-content-center"> <div class="col-lg-6 col-10 thr-desc-col"> <span class="sp-pub-i-LockPhone thr-sprite-icon"></span> <div class="thr-bar-divider"></div> <h1>Voice and Video Calls</h1> <p>Place calls without revealing your phone number. Threema calls are end-to-end encrypted and thus tap-proof. They impress with crystal-clear voice quality and brilliant video quality.</p> <a class="thr-lnk" href="/en/faq/calls_info">Learn more</a> <h4 class="mt-4">Group Calls</h4> <p>Invite the members of a group chat to join an end-to-end encrypted audio/video group call by tapping a single button.</p> <a class="thr-lnk" href="/en/faq/groupcalls">Learn more</a> </div> <div class="col-lg-6 col-md-12 thr-img-col"> <div class="thr-img-center"> <div class="thr-call-animation"> <div class="thr-avatar-element" thr-avatar-group="features-4" thr-avatar-style="gray"></div> <div class="thr-ripple-waves"> <div class="thr-animation thr-ripple" thr-ripple-count="20" thr-ripple-style="fixed"></div> </div> </div> </div> </div> </div> </div> </div> <div class="thr-section thr-feature-other-section"> <div class="container-fluid"> <div class="row justify-content-center"> <div class="col-lg-8 col-md-12 col-10 text-center"> <h1>More Features</h1> </div> </div> <div class="row justify-content-center"> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-LockFingerprint thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Private Chats</h4> <p>Hide particularly sensitive chats, and lock them with a PIN or your fingerprint.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-ThumbUpDown thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Emoji Reactions</h4> <p>React to chat messages with emojis without triggering a push notification on the recipient’s end.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-DarkBrightTheme thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Light and Dark Theme</h4> <p>Select the theme of your liking: light or dark.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-DeviceWithoutSIM thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Optimized for Tablets</h4> <p>Use Threema on tablets and devices without a SIM card.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-TextFormat thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Text Formatting</h4> <p>Make your text messages stand out by adding typographical emphasis: *<b>bold</b>*, _<i>italic</i>_, and ~<del>strikethrough</del>~</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-QRScan thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Contact Verification</h4> <p>Verify contacts using their QR code to protect yourself against <a href="/en/faq/crypto_mitm">man-in-the-middle attacks</a>.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-UserQuestionmark thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Chat Anonymously</h4> <p>Chat completely anonymously. There is no need to provide a phone number. <a href="/en/blog/posts/anonymity">Read on our blog</a> why should you care about anonymity even if you only communicate with friends.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <div class="w-8 mx-auto"> <svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 96 96"><defs><style>.cls-1,.cls-5{fill:#e6f6eb;stroke-width:0;fill-rule:evenodd}.cls-5{fill:#05a63f}</style></defs><path d="M17.5 31.8h6.2l6.5-7.8-5.6-4.9-7.9 9.1.8 3.6z" style="fill:#fff;fill-rule:evenodd;stroke-width:0"/><path d="M52 31.4H34l-2.6 3.5-4.4 3.3v18.3h16v16h26.6V53.6l-5.1-2.4-2.4-3.9h-9.9L52 31.4z" class="cls-1"/><path d="M62 43.2h-9.8L52 57.7H39.9v15.5c0 1.1.9 2 2 2h19l6 5v-5h3c1.1 0 2-.9 2-2v-20c-5.3-.5-9.5-4.7-10-10Zm-8.6 5h8.4c.6 1.3 1.4 2 1.4 2h-9.8v-2Zm3.6 22H45v-2h12v2Zm10-4H45v-2h22v2Zm0-4H45v-2h22v2Zm0-4H53.4v-2H67v2Zm0-4H53.4v-2h11.8c.9.6 1.8 1 1.8 1v1Z" style="fill:#69ca8c;fill-rule:evenodd;stroke-width:0"/><path d="M73 51.2c-5 0-9-4-9-9s4-9 9-9 9 4 9 9-4 9-9 9Z" style="fill:#05a63f;stroke-width:0"/><path d="M23 17.2c-5 0-9 4-9 9s4 9 9 9 9-4 9-9-4-9-9-9Zm-1.8 12.6-2.7.9.9-2.7 6.3-6.3 1.8 1.8-6.3 6.3Z" style="fill:#69ca8c;stroke-width:0"/><path d="M54 27.2H34c-.5 5.3-4.7 9.5-10 10v20c0 1.1.9 2 2 2h3v5l6-5h19c1.1 0 2-.9 2-2v-28c0-1.1-.9-2-2-2Zm-13 27H29v-2h12v2Zm10-4H29v-2h22v2Zm0-4H29v-2h22v2Zm0-4H29v-2h22v2Zm0-4H29v-.9s.9-.4 1.7-1.1H51v2Zm0-4H32.8s.8-.9 1.5-2H51v2Z" class="cls-5"/><path d="m77.5 38.7-3.6 3.5 3.6 3.6-.9.9-3.6-3.6-3.6 3.6-.9-.9 3.6-3.6-3.6-3.5.9-1 3.6 3.6 3.6-3.6.9 1z" class="cls-1"/></svg> </div> <div class="thr-bar-divider mx-auto"></div> <h4>Edit and Delete Messages for Everyone</h4> <p>If you have made a typing error, you can easily edit sent messages or delete them on the recipient’s end.</p> </div> <div class="col-lg-4 col-md-5 col-10 text-center"> <span class="sp-pub-i-Sync thr-sprite-icon"></span> <div class="thr-bar-divider mx-auto"></div> <h4>Optional Contact Synchronization</h4> <p>It’s up to you whether you want to enable contact synchronization or not. No address-book access is required.</p> </div> <div class="col-md-5 d-none d-lg-none d-md-inline-block"> </div> </div> </div> </div> <div class="thr-section thr-section--bgWhite thr-section--gutterBottomMedium thr-section--angleTopLeft"> <div class="container-fluid"> <div class="thr-textBox thr-textBox--teaser bg--work-primary thr-textBox--backgroundCircle"> <div class="thr-textBox--teaser-appIcon thr-svg align-self-center"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 60"><g fill="none" fill-rule="evenodd"><rect width="60" height="60" fill="#004A7F" rx="3"/><path fill="#FFF" fill-rule="nonzero" d="m21.552 40.359-9.657 2.414 2.063-8.255c-2.044-2.693-3.235-5.93-3.235-9.41 0-9.369 8.63-16.963 19.277-16.963s19.277 7.594 19.277 16.962c0 9.369-8.63 16.963-19.277 16.963-3.03 0-5.897-.615-8.448-1.711Zm2.98-16.66h-.216a.879.879 0 0 0-.878.88v7.706c0 .486.393.88.878.88h11.368a.879.879 0 0 0 .879-.88v-7.707a.879.879 0 0 0-.88-.879h-.214v-2.184a5.466 5.466 0 0 0-5.472-5.46 5.465 5.465 0 0 0-5.466 5.46V23.7Zm8.75 0h-6.563v-2.183a3.28 3.28 0 0 1 3.28-3.277 3.28 3.28 0 0 1 3.282 3.277v2.183Z"/><path fill="#0096FF" d="M33.278 49.687a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm-11.833 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Zm23.666 0a3.28 3.28 0 1 1-6.56 0 3.28 3.28 0 1 1 6.56 0Z"/></g></svg> </div> <h2 class="thr-textBox--teaser-title text--negativeSelf align-self-center align-self-md-end mt-md-1 mb-0">Threema Work</h2> <h5 class="thr-textBox--teaser-subTitle font-weight-light text--negativeSelf mt-3 mb-0 mt-md-1">The ideal chat app for business purposes.</h5> <div class="thr-textBox--teaser-cta text--negative d-md-flex align-items-md-center mt-2 mt-md-4"> <a class="thr-btn thr-btn--white-work mr-md-3 d-block flex-shrink-0" href="/en/work/business-messenger">Learn more</a> <a class="thr-btn-secondary thr-btn-secondary--white mr-md-3 d-none d-md-block flex-shrink-0" href="https://work.threema.ch/en/cta/start-trial">Free trial</a> <p class="mb-0 text--small d-none d-lg-block text--muted">30 days, 30 users. No automatic renewal. No payment details required.</p> </div> </div> </div> </div> <div class="thr-section thr-support-faq-section inline-faq-section"> <div class="container-fluid"> <div class="row thr-faq-group thr-faq-group--normal"><div class="col-12"><h3 id="features">Features</h3></div><div class="col-12 thr-faq-list"><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#features" class="thr-flap__header collapsed"><a href="/en/faq/features" onclick="return false;" class="thr-flap__title">What features does Threema offer?</a><div class="thr-flap__plus"></div></div><div id="features" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/features"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>Threema offers the following basic features for both single chats and group chats:</p><p></p> <ul> <li>Send text and voice messages<br></li> <li><a href="/en/threema-calls">Make voice and video calls</a></li> <li><a href="/en/faq/groupcalls">Conduct group calls</a></li> <li>Share photos, videos, animated GIFs, and locations<br></li> <li><a href="/en/faq/file_message">Send files of any type</a><br></li> <li><a href="https://threema.ch/threema-web">Use Threema on the desktop</a></li> </ul><p></p><p>Special features:</p><p></p> <ul> <li><a href="/en/faq/poll">Create polls</a><br></li> <li><a href="/en/faq/agree_disagree_feature">Use emoji reactions to show how you feel about incoming messages</a><br></li> <li><a href="/en/faq/private_chats">Hide confidential chats and password-protect them with a PIN or your fingerprint</a><br></li> <li><a href="/en/faq/threema_safe">Use Threema Safe to anonymously backup your most important Threema data</a></li> <li><a href="/en/faq/theme">Choose between dark and light theme</a><br></li> <li><a href="/en/faq/tablet">Use Threema on tablets and devices without a SIM card</a><br></li> <li><a href="/en/faq/qr_code_expl">Verify your contacts via QR code</a><br></li> <li><a href="/en/faq/markup">Add text formatting to messages</a><br></li> <li><a href="/en/faq/distribution_lists">Create distribution lists</a><sup>*</sup><br></li> <li><a href="/en/faq/threema_id">Chat completely anonymously – no phone number required</a><br></li> <li>Contact sync is optional</li> <li><a href="/en/faq/quote_feature">Quote text messages</a></li> <li><a href="/en/faq/pin">Pin chats</a></li> <li><a href="/en/blog/posts/edit-delete">Edit and delete sent messages on the recipient’s end</a></li> <li>Mark important messages with a star to find them without searching</li> </ul> <p> Special features of the <a class="nw" href="https://work.threema.ch/">Threema Work</a> app: </p> <p> <ul> <li> <a class="nw" href="/en/work/support/offhours">Automatically disable notifications outside of working hours</a> </li> </ul> </p> <p></p><p><sup>*)</sup> Currently only available in Threema for Android.<br></p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#poll" class="thr-flap__header collapsed"><a href="/en/faq/poll" onclick="return false;" class="thr-flap__title">How do I create a poll?</a><div class="thr-flap__plus"></div></div><div id="poll" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/poll"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>Threema allows to create a poll right inside a chat. No need to write back and forth when considering several options – initiate a poll with a few taps, and get a useful overview of the received votes.</p> <p style="margin-top: 10px; margin-bottom: 0px; padding: 0px;"></p> <ul> <li><b>Android</b>: In a chat, tap the paperclip icon, and select “Poll” <br /></li> <li><b>iOS</b>: In a chat, tap the plus sign next to the text-input field, and select “Create Poll” <br /></li> </ul> <p style="margin-top: 10px; margin-bottom: 0px; padding: 0px;"> Check out the <span style="margin-top: 10px;"> <a href="https://youtu.be/JkwUSyW0ipo" style="margin-top: 10px;" jqte-setlink="">promo video</a>. </span> </p> </div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#agree_disagree_feature" class="thr-flap__header collapsed"><a href="/en/faq/agree_disagree_feature" onclick="return false;" class="thr-flap__title">What are emoji reactions?</a><div class="thr-flap__plus"></div></div><div id="agree_disagree_feature" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/agree_disagree_feature"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>Emoji reactions allow you to react to incoming messages without triggering a push notification on the chat partner’s end, providing an unobtrusive way of expressing your attitude toward a message.</p> <ul> <li>In a single or group chat, tap and hold a message to invoke the context menu</li> <li>Select one of the suggested emojis, or tap the “+” icon on the right to bring up the emoji picker, where you can select any other emoji</li> </ul> <p> To learn more, please refer to <a href="/en/blog/posts/emoji-reactions">this blog post</a>. </p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#private_chats" class="thr-flap__header collapsed"><a href="/en/faq/private_chats" onclick="return false;" class="thr-flap__title">What are private chats and how can I use them?</a><div class="thr-flap__plus"></div></div><div id="private_chats" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/private_chats"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> With private chats, you can protect individual chats and hide them from the chat list. This way, confidential chats are protected from prying eyes. Push notifications for new messages in a private chat contain neither a message preview nor the name of the sender. </p> <p> <b>Android</b><br /> Navigate to “Threema > Settings > Security > Locking mechanism,” and select “PIN,” “System Screen Lock,” or “Biometric.” </p> <p>To mark a chat as private, tap and hold the chat, and select “Mark as private chat.” When attempting to access the chat, the selected locking mechanism (see above) comes into play.</p> <p>To hide all private chats, tap on the menu icon in the chat list, and choose “Hide private chats.” To show all hidden chats, choose “Show hidden chats” in the chat list’s menu, and enter the PIN.</p> <p> <b>iOS</b><br /> Navigate to “Threema > Settings > Passcode Lock,” turn passcode on, and enter a passcode. If you additionally turn on the Touch ID or Face ID option, your fingerprint or Face ID will unlock your private chats instead of the passcode. </p> <p> To mark a chat as private, swipe right on the chat, tap on the lock icon, and select “Mark as Private.” To access the chat, the passcode, fingerprint, or Face ID is needed. </p> <p> To hide all private chats, go to “Settings > Privacy” and activate the “Hide Private Chat” option. To show all hidden chats, deactivate the “Hide Private Chats” option in the Settings and enter the passcode. </p> <div class="status2 info mt-2"> <div></div> <div>Private chats can only be displayed on mobile devices, but not in the desktop app / the web client.</div> </div></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#markup" class="thr-flap__header collapsed"><a href="/en/faq/markup" onclick="return false;" class="thr-flap__title">How do I add text formatting to a message?</a><div class="thr-flap__plus"></div></div><div id="markup" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/markup"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>In Threema, text can be formatted bold, italic, and crossed out. To format text, simply enclose it in the appropriate character:</p> <ul> <li>*<b>bold</b>*</li> <li>_<i>italic</i>_</li> <li>~<strike>strikethrough</strike>~</li> </ul></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#qr_code_expl" class="thr-flap__header collapsed"><a href="/en/faq/qr_code_expl" onclick="return false;" class="thr-flap__title">What is the QR code good for?</a><div class="thr-flap__plus"></div></div><div id="qr_code_expl" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/qr_code_expl"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> <i> This FAQ article covers the QR code that can be displayed in the app (and is used to confirm a contact’s identity and add their Threema ID at the same time; <a href="/en/faq/levels_expl">green verification level</a>), not to be confused with the QR code on <a href="/en/faq/share_link">threema.id websites</a> (which can only be used to add contacts; <a href="/en/faq/levels_expl">red verification level</a>). </i> </p> <p> Scanning QR codes is a means for confirming contacts’ identities. That way, <a href="/en/faq/crypto_mitm">man-in-the-middle attacks</a> can be effectively prevented: If you receive a message from a confirmed contact (i.e., <a href="/en/faq/levels_expl">verification level 3</a>), you can be sure that it wasn’t spoofed or read by a third party (provided said contact’s device wasn’t stolen or hacked). On top of that, scanning someone’s QR code is a convenient way of adding them to your contact list without having to manually enter their ID. </p> <p><b>Display your own QR code</b></p> <ul> <li>Navigate to the “My Profile” (Android) or “Profile” (iOS) tab and tap the QR code icon</li> </ul> <p><b>Scan a contact’s QR code</b></p> <ul> <li>Android: in the Contacts tab, tap the “New contact” button, and select “Scan ID”</li> <li>iOS: Threema > Profile > QR-code icon in the top right corner</li> </ul> <p>If you are having trouble scanning a QR code, please make sure the camera is not too close (below 10 in/25 cm), which might prevent it from focussing.</p> </div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#tablet" class="thr-flap__header collapsed"><a href="/en/faq/tablet" onclick="return false;" class="thr-flap__title">Can I use Threema without a SIM card?</a><div class="thr-flap__plus"></div></div><div id="tablet" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/tablet"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9">Yes. In contrast to other messengers, your identity in Threema isn’t tied to a phone number (cf. <a href="/en/faq/threema_id">What is a Threema ID?</a>). Hence, you can use Threema without any limitation on a device that doesn’t have a SIM card slot (cf. <a href="/en/faq/platforms">supported devices</a>).<br /></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#fontsize" class="thr-flap__header collapsed"><a href="/en/faq/fontsize" onclick="return false;" class="thr-flap__title">How can I adjust the font size?</a><div class="thr-flap__plus"></div></div><div id="fontsize" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/fontsize"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> <b>Android</b><br /> Threema applies the system-wide font size settings (“Settings > Display > Display size and text > Font size”). If desired, it can also be adjusted directly in the Threema app: tap on the three vertical dots in the top right, select “Settings > Appearance > Font size,” and choose the desired option. </p> <p> <b>iOS</b><br /> Threema applies the system-wide font size settings. Under iOS, they can be adjusted under “Settings > Display & Brightness > Text Size.” If desired, the font size can also be configured per app (as described in <a class="nw" href="https://support.apple.com/guide/iphone/display-text-size-iph3e2e1fb0/ios#iphd676d9a35">this support entry</a>). </p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#chatexport" class="thr-flap__header collapsed"><a href="/en/faq/chatexport" onclick="return false;" class="thr-flap__title">How can I export a chat?</a><div class="thr-flap__plus"></div></div><div id="chatexport" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/chatexport"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> To save a chat outside of Threema, you can export it as an encrypted ZIP file (which will contain the chat as text file and, optionally, all media files). Please note that exported chats cannot be imported into Threema again; to transfer your chats to another device (or to restore them later on the current device), use a <a href="/en/faq/data_backup">data backup</a>. <br /> </p> <p>To export a chat, please proceed as follows:<br /></p> <ul> <li><b>Android</b>: In the chat list, tap and hold a chat, and then tap the “Share” button. You can save or send the chat as an encrypted ZIP file using your installed apps.</li> <li><b>iOS</b>: In a chat’s detail view, tap “Export Chat.” (To open a chat’s detail view, open the chat and tap on the contact’s name.)</li> </ul> <p> Chat exports are encrypted using the Advanced Encryption Standard (AES). Therefore, a modern file archiver, such as <a href="https://www.7-zip.org/" class="nw">7-Zip</a> for Windows, is required to unpack a chat export. Some other apps don’t recognize the encryption and return an error message stating that the provided password is incorrect (even though you have entered the password correctly). </p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#file_message" class="thr-flap__header collapsed"><a href="/en/faq/file_message" onclick="return false;" class="thr-flap__title">How can I send a file?</a><div class="thr-flap__plus"></div></div><div id="file_message" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/file_message"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> Use Threema to send files of any type (PDF, animated GIF, MP3, DOC, ZIP, etc.). Just like all other messages, files are end-to-end encrypted. The maximum file size is 100 MB (it might, however, not be possible to send large files on older devices due to insufficient memory). To avoid compression of an image or video, you can send it as a file. Please note: if you send an image as a file, its EXIF tags (possibly containing information such as the date and location the image was taken) are preserved. </p> <p><b>Android</b>: In a chat, tap on the paperclip icon, and select “File.”<br /></p> <p><b>iOS</b>: In a chat, tap on the “+,” and select “Share File.” Due to restrictions of iOS regarding the file system, you can only access content of apps that support file sharing.<br /></p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#theme" class="thr-flap__header collapsed"><a href="/en/faq/theme" onclick="return false;" class="thr-flap__title">How can I change the design theme?</a><div class="thr-flap__plus"></div></div><div id="theme" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/theme"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>Threema is available in a light and a dark theme. You can switch between the two themes here:</p> <p>Settings > Appearance > Design theme</p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#quote_feature" class="thr-flap__header collapsed"><a href="/en/faq/quote_feature" onclick="return false;" class="thr-flap__title">How do I quote a text message?</a><div class="thr-flap__plus"></div></div><div id="quote_feature" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/quote_feature"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>To quote a text message, tap and hold it until the context menu appears. There, tap the quotation mark icon, and the quoted message will show up above the text input field. You can also swipe right to quote a message. Then, compose and send your message like you usually would. In the chat, the quoted message is indented and prepended to your new message so that it’s evident what you are referring to.</p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#multideviceexpl" class="thr-flap__header collapsed"><a href="/en/faq/multideviceexpl" onclick="return false;" class="thr-flap__title">Can I use Threema on multiple devices simultaneously?</a><div class="thr-flap__plus"></div></div><div id="multideviceexpl" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/multideviceexpl"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>It’s not yet possible to use a Threema ID on multiple mobile devices at the same time. You can, however, use <a href="/en/faq/web_info">the desktop app or the web client</a> to connect to the device on which your Threema ID is set up.</p> <p> A multi-device solution that meets Threema’s strict security and privacy requirements is currently in development. iOS users already have the possibility to use the beta version of the <a href="https://threema.ch/en/download-md">upcoming desktop app</a>, which can be used even if the associated iOS device happens to be offline. </p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#pin" class="thr-flap__header collapsed"><a href="/en/faq/pin" onclick="return false;" class="thr-flap__title">What is the “pin” feature good for?</a><div class="thr-flap__plus"></div></div><div id="pin" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/pin"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> If there are unresolved issues in a chat, you can use the “pin” feature to create a visual reminder. Pinned chats always stay on top of the chat list and are marked with a yellow pin icon: <img src="/images/faq/pin.png" style="margin-right: 4px; margin-bottom: -3px;" height="20" width="20" /> </p> <ul> <li><b>Android/iOS</b>: In the chat overview, swipe from left to right on a chat and tap the pin icon to (un)pin the chat<br /></li> <li><b>Desktop app / web client</b>: Open the desired chat, and tap the pin icon in the top right corner to (un)pin it<br /></li> </ul></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#archive" class="thr-flap__header collapsed"><a href="/en/faq/archive" onclick="return false;" class="thr-flap__title">How do I archive chats?</a><div class="thr-flap__plus"></div></div><div id="archive" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/archive"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p> In the chat overview, swipe from right to left on a chat to archive it (on iOS devices, you additionally have to tap on the gray button with the box icon). The chat will be removed from the chat overview, but not deleted.  </p> <p>To access your archived chats, scroll to the end of the chat overview, and tap the button “<i>X</i> archived chats” (Android) or “Archived Chats” (iOS). </p> <p>In order to move an archived chat from the archive back to the chat overview, proceed as follows:</p> <ul> <li><b>Android</b>: Tap and hold the chat until the action icons appear in the title bar. There, tap the icon next to the trash-bin icon.</li> <li><b>iOS</b>: Swipe left on a chat and tap on the gray button with the box icon.</li> </ul></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#share_location" class="thr-flap__header collapsed"><a href="/en/faq/share_location" onclick="return false;" class="thr-flap__title">How can I share my location?</a><div class="thr-flap__plus"></div></div><div id="share_location" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/share_location"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>To share your current location, open a chat, tap on the paperclip icon (Android) or the plus sign (iOS), and select “Location” (Android) or “Share Location” (iOS).</p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#gifs" class="thr-flap__header collapsed"><a href="/en/faq/gifs" onclick="return false;" class="thr-flap__title">How do I send GIFs?</a><div class="thr-flap__plus"></div></div><div id="gifs" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/gifs"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>You can send GIFs just like you send other images: in a chat, tap the paperclip icon (Android) or the plus sign (iOS), and select the GIF you would like to send.</p> <p> Another possibility to send GIFs is to copy them from an app or website and paste them in the text input field.</p> <p>For privacy reasons, there’s no GIF platform integrated into Threema. However, users can, of course, use third-party GIF keyboards to retrieve GIFs directly in Threema.</p> </div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#notes-to-self" class="thr-flap__header collapsed"><a href="/en/faq/notes-to-self" onclick="return false;" class="thr-flap__title">How can I send notes to myself?</a><div class="thr-flap__plus"></div></div><div id="notes-to-self" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/notes-to-self"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>Create a new group, but don’t add any contacts. Messages you send to that empty group chat will stay on your device and are not sent to the server. That’s ideal for securely storing notes, media, and documents, or transferring them to the desktop via <a href="https://threema.ch/en/faq/web_use">web client</a>.</p></div></div></div></div></div><div class="thr-faq thr-flap nw-always"><div data-toggle="collapse" data-target="div#editdelete" class="thr-flap__header collapsed"><a href="/en/faq/editdelete" onclick="return false;" class="thr-flap__title">How do I edit and delete sent messages?</a><div class="thr-flap__plus"></div></div><div id="editdelete" class="thr-flap__content position-relative collapse"><div class="thr-flap__contentInner"><button class="thr-copy position-absolute top-0 right-0 mt-2 mr-3" type="button" data-copy="https://threema.ch/en/faq/editdelete"><span class="thr-copy__default text--brand-500"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"><path d="M9 15H5c-1.38 0-2.56-.49-3.54-1.46S0 11.38 0 10s.49-2.56 1.46-3.54S3.61 5 5 5h4v2H5c-.83 0-1.54.29-2.13.88s-.88 1.29-.88 2.13.29 1.54.88 2.13 1.29.88 2.13.88h4v2Zm-3-4V9h8v2H6Zm5 4v-2h4c.83 0 1.54-.29 2.13-.88s.88-1.29.88-2.13-.29-1.54-.88-2.13-1.29-.88-2.13-.88h-4v-2h4c1.38 0 2.56.49 3.54 1.46S20 8.59 20 9.98s-.49 2.56-1.46 3.54-2.15 1.46-3.54 1.46h-4Z" fill="currentColor"/></svg> </span><span class="thr-copy__success"><?xml version="1.0" encoding="UTF-8"?> <svg width="24px" height="24px" viewBox="0 0 24 24" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Icon / Checkmark</title> <g id="Icon-/-Checkmark" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"> <polygon id="Checkmark" fill="#000000" points="9.06550686 16.3487067 20.5913474 4.82286617 22.005561 6.23707973 9.06550686 19.1771338 1.99443905 12.106066 3.40865261 10.6918525"></polygon> </g> </svg></span></button><div class="row"><div class="col-11 col-md-9"><p>As of Threema 5.5 for Android and Threema 6.2 for iOS, sent messages can be edited and deleted on the recipient’s end within the first six hours.</p> <p> <b>Edit Messages</b><br /> To edit a sent message, please proceed as follows: </p> <ul> <li><b>Android</b>: Tap and hold the message, select the pencil icon, and edit the message in the text-input field. To save the changes, tap the checkmark.</li> <li><b>iOS</b>: Tap and hold the message, select “Edit,” and make the changes in the text-input field. To save the changes, tap the Send button.</li> <li> <b>Threema 2.0 for desktop (beta)</b>: Move the mouse over the message and wait for the arrow to appear. Tap on it to open the context menu, and select “Edit.” Make the the changes in the text-input field, and click the Send button or press Enter to save the changes. </li> </ul> <p>Once a message is updated, there’s an indication in the speech bubble to let the recipient know the message was edited, and in the message details, the edit history provides an overview of all the changes that have been made.</p> <p> <b>Delete Sent Messages</b><br /> Within the first six hours, a message can be deleted on the recipient’s end: </p> <ul> <li><b>Android</b>: Long-tap on the message until the context menu appears. Then, tap on the three dots in the top right corner, and select “Delete > Delete for everyone”</li> <li><b>iOS</b>: Long-tap on the message until the context menu appears, select “Delete,” and choose “Delete for Everyone”</li> </ul> <p>Instead of the message’s content, “This message has been deleted” will be displayed.</p></div></div></div></div></div><div class="text-center mt-5"><a href="/en/support" class="thr-btn" title="All FAQs">All FAQs</a></div></div></div> </div> </div> </main> <footer class="border-top footer mb-4 pt-5"><div class="container-fluid container-fluid--xl"><div class="footer__row mb-3"><div class="footer__block"><span class="thr-ft-title">Products</span><a class="thr-ft-link" href="/en" title="Overview">Overview</a><a class="thr-ft-link active" href="/en/secure-messenger" title="Threema">Threema</a><a class="thr-ft-link" href="/en/work/business-messenger" title="Threema Work">Threema Work</a><a class="thr-ft-link" href="/en/broadcast" title="Threema 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