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Firefox products are designed to protect your privacy

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smartphones.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/mobile/ios/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox for iOS" data-link-position="topnav - firefox"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/browser/logo.eb1324e44442.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Firefox for iOS</h4><p class="c-menu-item-desc">Get the mobile browser for your iPhone or iPad.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/mobile/focus/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Focus" data-link-position="topnav - firefox"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/browser/focus/logo.aac3e33175cb.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Firefox Focus</h4><p class="c-menu-item-desc">Simply private mobile browsing.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://blog.mozilla.org/firefox/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dfirefox" data-link-text="Firefox Blog" data-link-position="topnav - firefox"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M21.1 7.5c-.2-.2-.2-.5 0-.7l.5-.5c.8-.8 2.1-.8 2.9 0l1.2 1.2c.8.8.8 2.1 0 2.9l-.5.5c-.2.2-.5.2-.7 0l-3.4-3.4zm2.3 4.5c.2.2.2.5 0 .7L12.7 23.4c-.2.2-.4.3-.6.4l-5.7 2.4c-.3.1-.6 0-.7-.3-.1-.1-.1-.3 0-.4L8.1 20c.1-.2.3-.5.4-.6L19.2 8.6c.2-.2.5-.2.7 0l3.5 3.4zM11.5 22.7l-3.9 1.7 1.7-3.9c0-.1.1-.2.2-.2l2.3 2.3c-.1 0-.2.1-.3.1z" /> </svg><h4 class="c-menu-item-title">Firefox Blog</h4><p class="c-menu-item-desc">Read about new Firefox features and ways to stay safe online.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/firefox/133.0/releasenotes/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Release Notes" data-link-position="topnav - firefox"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M2.7 23.6c0 2.4 2 4.4 4.4 4.4h5.6c1.4 0 2.3.5 3.3 1.5 1-1 2-1.5 3.3-1.5h5.6c2.4 0 4.4-2 4.4-4.4V8.4c0-2.4-2-4.4-4.4-4.4h-5.6C18 4 17 4.2 16 5.2c-1-1-2-1.2-3.3-1.2H7.1C4.6 4 2.7 6 2.7 8.4v15.2zm24 0c0 1-.8 1.7-1.7 1.7h-5.6c-1.3 0-2.3.2-3.3 1.2-1-1-2-1.2-3.3-1.2H7.1c-1 0-1.7-.8-1.7-1.7V8.4c0-1 .8-1.7 1.7-1.7h5.6c1.3 0 2.3.5 3.3 1.5 1-1 2-1.5 3.3-1.5h5.6c1 0 1.7.8 1.7 1.7v15.2zM13.3 10.7H8c-.4 0-.7-.3-.7-.7 0-.4.3-.7.7-.7h5.3c.4 0 .7.3.7.7 0 .4-.3.7-.7.7zm-5.3 4h5.3c.4 0 .7-.3.7-.7s-.3-.7-.7-.7H8c-.4 0-.7.3-.7.7s.3.7.7.7zm5.3 4H8c-.4 0-.7-.3-.7-.7s.3-.7.7-.7h5.3c.4 0 .7.3.7.7s-.3.7-.7.7zm-5.3 4h3.4c.4 0 .7-.3.7-.7s-.3-.7-.7-.7H8c-.4 0-.7.3-.7.7s.3.7.7.7z" /> </svg><h4 class="c-menu-item-title">Release Notes</h4><p class="c-menu-item-desc">Get the details on the latest Firefox updates.</p></a> </section></li> </ul> <p class="c-menu-category-link"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="View all Firefox Browsers" data-link-position="topnav - firefox">View all Firefox Browsers</a></p> </div> </div><!-- close .c-menu-panel-container --> </div><!-- close .c-menu-panel --></li><!-- close firefox --> <li class="c-menu-category mzp-has-drop-down mzp-js-expandable"><a class="c-menu-title" href="https://www-mozilla-org.translate.goog/en-US/products/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" aria-haspopup="true" aria-controls="c-menu-panel-products" data-testid="navigation-link-products">Products</a> <div class="c-menu-panel" id="c-menu-panel-products" data-testid="navigation-menu-products"> <div class="c-menu-panel-container"><button class="c-menu-button-close" type="button" aria-controls="c-menu-panel-products">Close Products menu</button> <div class="c-menu-panel-content"> <ul class="mzp-l-rows-four"> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://monitor.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dproducts" data-link-text="Mozilla Monitor" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/monitor/logo.d97e5516f9e6.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Mozilla Monitor</h4><p class="c-menu-item-desc">See if your email has appeared in a company’s data breach.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/facebookcontainer/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Facebook Container" data-link-position="topnav - products"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#f80073" d="M27 1H5C2.8 1 1 2.8 1 5v22c0 2.2 1.8 4 4 4h22c2.2 0 4-1.8 4-4V5c0-2.2-1.8-4-4-4z" /><path fill="#fff" d="M26 8.8l-1.4-1.4c-.1-.1-.2-.1-.3 0l-1.4 1.4-.1.1v2.8h-2.3V8.9L19 7.4c-.1-.1-.2-.1-.3 0l-1.4 1.4-.1.1v2.8h-2.3V8.9l-1.4-1.4c-.1-.1-.2-.1-.3 0l-1.4 1.4-.1.1v2.8H9.2V8.9L7.8 7.4c-.1-.1-.2-.1-.3 0L6 8.8l-.1.1v15c0 .1.1.2.2.2H9c.1 0 .2-.1.2-.2v-2.8h2.3V24c0 .1.1.2.2.2h2.8c.1 0 .2-.1.2-.2v-2.8H17V24c0 .1.1.2.2.2H20c.1 0 .2-.1.2-.2v-2.8h2.3V24c0 .1.1.2.2.2h2.8c.1 0 .2-.1.2-.2V9c.4-.1.3-.2.3-.2zm-14.7 11H9.2v-6.6h2.3v6.6h-.2zm5.6 0h-2.1v-6.6h2.3v6.6h-.2zm5.7 0h-2.1v-6.6h2.3v6.6h-.2z" /> </svg><h4 class="c-menu-item-title">Facebook Container</h4><p class="c-menu-item-desc">Help prevent Facebook from collecting your data outside their site.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://getpocket.com/firefox_learnmore/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dproducts" data-link-text="Pocket" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/pocket/logo.17446bc33a5d.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Pocket</h4><p class="c-menu-item-desc">Save and discover the best stories from across the web.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/products/vpn/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Mozilla VPN" data-link-position="topnav - products"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/mozilla/vpn/logo.c648f487bfb8.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Mozilla VPN</h4><p class="c-menu-item-desc">Get protection beyond your browser, on all your devices.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://relay.firefox.com/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dproducts" data-link-text="Firefox Relay" data-link-position="topnav - projects"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/relay/logo.683083c53b93.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Firefox Relay</h4><p class="c-menu-item-desc">Sign up for new accounts without handing over your email address.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://developer.mozilla.org/plus?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dproducts" data-link-text="MDN Plus" data-link-position="topnav - projects"> <img loading="lazy" src="https://www.mozilla.org/media/img/nav/icons/icon-mdn-plus.f54475f980ab.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">MDN Plus</h4><p class="c-menu-item-desc">New features and tools for a customized MDN experience</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://fakespot.com/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dproducts" data-link-text="Fakespot" data-link-position="topnav - projects"> <img loading="lazy" src="https://www.mozilla.org/media/img/logos/fakespot/logo-blue.3973b8fe9631.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Fakespot</h4><p class="c-menu-item-desc">Use AI to detect fake reviews and scams</p></a> </section></li> </ul> <p class="c-menu-category-link"><a href="https://www-mozilla-org.translate.goog/en-US/products/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="View all Products" data-link-position="topnav - products">View all Products</a></p> </div> </div><!-- close .c-menu-panel-container --> </div><!-- close .c-menu-panel --></li><!-- close products --> <li class="c-menu-category mzp-has-drop-down mzp-js-expandable"><a class="c-menu-title" href="https://www-mozilla-org.translate.goog/en-US/about/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" aria-haspopup="true" aria-controls="c-menu-panel-about" data-testid="navigation-link-who-we-are">Who We Are</a> <div class="c-menu-panel" id="c-menu-panel-about" data-testid="navigation-menu-who-we-are"> <div class="c-menu-panel-container"><button class="c-menu-button-close" type="button" aria-controls="c-menu-panel-about">Close Who We Are menu</button> <div class="c-menu-panel-content"> <ul class="mzp-l-rows-four"> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/about/manifesto/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Mozilla Manifesto" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M9.5 28.6h13.1c2.6 0 4.6-2.1 4.6-4.6V8.1c0-2.6-2.1-4.6-4.6-4.6H9.5c-2.6 0-4.6 2.1-4.6 4.6V24c-.1 2.5 2 4.6 4.6 4.6zM7.6 8.1c0-1 .8-1.8 1.8-1.8h13.1c1 0 1.8.8 1.8 1.8V24c0 1-.8 1.8-1.8 1.8h-13c-1 0-1.8-.8-1.8-1.8V8.1zm12.6 2.3h-8.4c-.4 0-.7-.3-.7-.7 0-.4.3-.7.7-.7h8.4c.4 0 .7.3.7.7 0 .4-.3.7-.7.7zm-8.4 4.2h8.4c.4 0 .7-.3.7-.7s-.3-.7-.7-.7h-8.4c-.4 0-.7.3-.7.7s.3.7.7.7zm8.4 4.2h-8.4c-.4 0-.7-.3-.7-.7s.3-.7.7-.7h8.4c.4 0 .7.3.7.7s-.3.7-.7.7zM11.8 23h3.6c.4 0 .7-.3.7-.7s-.3-.7-.7-.7h-3.6c-.4 0-.7.3-.7.7s.3.7.7.7z" /> </svg><h4 class="c-menu-item-title">Mozilla Manifesto</h4><p class="c-menu-item-desc">Learn about the values and principles that guide our mission.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://foundation.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dwho-we-are" data-link-text="Mozilla Foundation" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M16 9.3V4H2.7v24h26.7V9.3H16zm-8 16H5.3v-2.7H8v2.7zM8 20H5.3v-2.7H8V20zm0-5.3H5.3V12H8v2.7zm0-5.4H5.3V6.7H8v2.6zm5.3 16h-2.7v-2.7h2.7v2.7zm0-5.3h-2.7v-2.7h2.7V20zm0-5.3h-2.7V12h2.7v2.7zm0-5.4h-2.7V6.7h2.7v2.6zm13.4 16H16v-2.7h2.7V20H16v-2.7h2.7v-2.7H16V12h10.7v13.3zM24 14.7h-2.7v2.7H24v-2.7zm0 5.3h-2.7v2.7H24V20z" /> </svg><h4 class="c-menu-item-title">Mozilla Foundation</h4><p class="c-menu-item-desc">Meet the not-for-profit behind Firefox that stands for a better web.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/about/leadership/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Leadership" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M22.7 13.9V2.7H9.3v11.2c0 .5.2.9.7 1.1l5.6 3.3-1.3 3.1-4.5.4 3.5 3-1.1 4.4L16 27l3.9 2.4-1-4.4 3.5-3-4.5-.4-1.3-3.1 5.6-3.3c.2-.4.5-.8.5-1.3zm-5.4 2.4l-1.3.8-1.3-.8V4h2.7v12.3z" /> </svg><h4 class="c-menu-item-title">Leadership</h4><p class="c-menu-item-desc">Meet the team that’s building technology for a better internet.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/contribute/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Get Involved" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M12 22.7l4-3.9c-.5-.1-.9-.1-1.3-.1C11.1 18.7 4 20.5 4 24v2.7h12l-4-4zm2.7-6.7c2.9 0 5.3-2.4 5.3-5.3s-2.4-5.3-5.3-5.3-5.3 2.4-5.3 5.3c-.1 2.9 2.3 5.3 5.3 5.3z" /><path fill="#42435a" d="M20.6 27.3L16 22.7l1.9-1.9 2.8 2.8 6.8-6.9 1.9 1.9-8.8 8.7z" /> </svg><h4 class="c-menu-item-title">Get involved</h4><p class="c-menu-item-desc">Join the fight for a healthy internet.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/careers/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Careers" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 32 32" width="32" height="32"> <path fill="#42435a" d="M13.3 21.3V20H4v5.3C4 26.8 5.2 28 6.7 28h18.7c1.5 0 2.7-1.2 2.7-2.7V20h-9.3v1.3h-5.5zm13.4-12h-5.3V6.7L18.7 4h-5.3l-2.7 2.7v2.7H5.3c-1.5 0-2.7 1.2-2.7 2.7v4c0 1.5 1.2 2.7 2.7 2.7h8V16h5.3v2.7h8c1.5 0 2.7-1.2 2.7-2.7v-4c0-1.5-1.2-2.7-2.6-2.7zm-8 0h-5.3V6.7h5.3v2.6z" /> </svg><h4 class="c-menu-item-title">Careers</h4><p class="c-menu-item-desc">Work for a mission-driven organization that makes people-first products.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://blog.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dwho-we-are" data-link-text="Mozilla Blog" data-link-position="topnav - who-we-are"> <svg class="c-menu-item-icon" xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewbox="0 0 32 32"> <path fill="#42435a" d="M21.1 7.5c-.2-.2-.2-.5 0-.7l.5-.5c.8-.8 2.1-.8 2.9 0l1.2 1.2c.8.8.8 2.1 0 2.9l-.5.5c-.2.2-.5.2-.7 0l-3.4-3.4zm2.3 4.5c.2.2.2.5 0 .7L12.7 23.4c-.2.2-.4.3-.6.4l-5.7 2.4c-.3.1-.6 0-.7-.3-.1-.1-.1-.3 0-.4L8.1 20c.1-.2.3-.5.4-.6L19.2 8.6c.2-.2.5-.2.7 0l3.5 3.4zM11.5 22.7l-3.9 1.7 1.7-3.9c0-.1.1-.2.2-.2l2.3 2.3c-.1 0-.2.1-.3.1z" /> </svg><h4 class="c-menu-item-title">Mozilla Blog</h4><p class="c-menu-item-desc">Learn about Mozilla and the issues that matter to us.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/impact/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Impact" data-link-position="topnav - who-we-are"> <svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" class="c-menu-item-icon"> <g transform="translate(4 1)" fill="none"> <path d="M.4 14.7 4 12v7l-2.4 1.8A1 1 0 0 1 0 20v-4.5a1 1 0 0 1 .4-.8zM15.6 14.7 12 12v7l2.4 1.8A1 1 0 0 0 16 20v-4.5a1 1 0 0 0-.4-.8z" stroke="#42435a" stroke-width="2" /> <path d="M5.137 4.14 7.127.569a1 1 0 0 1 1.747 0l1.989 3.57A9 9 0 0 1 12 8.52V19.02H4V8.52a9 9 0 0 1 1.137-4.38z" stroke="#42435a" stroke-width="2" /> <circle cx="8" cy="8" r="1.5" 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data-testid="navigation-link-innovation">Innovation</a> <div class="c-menu-panel" id="c-menu-panel-innovation" data-testid="navigation-menu-innovation"> <div class="c-menu-panel-container"><button class="c-menu-button-close" type="button" aria-controls="c-menu-panel-innovation">Close Innovation menu</button> <div class="c-menu-panel-content"> <ul class="mzp-l-rows-two"> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/developer/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Developer Edition" data-link-position="topnav - innovation"> <img loading="lazy" src="https://www.mozilla.org/media/protocol/img/logos/firefox/browser/developer/logo.41d42822c8fb.svg" class="c-menu-item-icon" width="32" height="32" alt=""> <h4 class="c-menu-item-title">Firefox Developer Edition</h4><p class="c-menu-item-desc">Get the Firefox browser built just for developers.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://developer.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dinnovation" data-link-text="MDN Web Docs" data-link-position="topnav - innovation"> <img loading="lazy" class="c-menu-item-icon" src="https://www.mozilla.org/media/img/nav/icons/icon-mdn-web-docs.9ed01cfe71c7.svg" alt=""> <h4 class="c-menu-item-title">MDN Web Docs</h4><p class="c-menu-item-desc">Check out the home for web developer resources.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://future.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dinnovation" data-link-text="Mozilla Innovation Projects" data-link-position="topnav - innovation"> <img loading="lazy" class="c-menu-item-icon" src="https://www.mozilla.org/media/img/nav/icons/icon-innovation-projects.11f189479119.svg" alt=""> <h4 class="c-menu-item-title">Mozilla Innovation Projects</h4><p class="c-menu-item-desc">Discover ways to bring bright ideas to life.</p></a> </section></li> <li> <section class="c-menu-item mzp-has-icon"><a class="c-menu-item-link" href="https://translate.google.com/website?sl=pl&amp;tl=cs&amp;hl=en-GB&amp;u=https://commonvoice.mozilla.org/?utm_source%3Dwww.mozilla.org%26utm_medium%3Dreferral%26utm_campaign%3Dnav%26utm_content%3Dinnovation" data-link-text="Common Voice" data-link-position="topnav - innovation"> <img loading="lazy" class="c-menu-item-icon" src="https://www.mozilla.org/media/img/nav/icons/icon-common-voice.127fa3f5dcb0.svg" alt=""> <h4 class="c-menu-item-title">Common Voice</h4><p class="c-menu-item-desc">Donate your voice so the future of the web can hear everyone.</p></a> </section></li> </ul> </div> </div><!-- close .c-menu-panel-container --> </div><!-- close .c-menu-panel --></li><!-- close innovation --> </ul> </nav> </div><!-- close .c-navigation-menu --> </div><!-- close .c-navigation-items --> </div><!-- close .c-navigation-container --> </div><!-- close .c-navigation-l-content --> </div><!-- close .c-navigation --> <nav class="c-sub-navigation"> <div class="mzp-l-content"> <div class="c-sub-navigation-content"> <h2 class="c-sub-navigation-title"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav"> <img class="c-sub-navigation-icon" src="https://www.mozilla.org/media/protocol/img/logos/firefox/logo.fedb52c912d6.svg" width="24" height="24" alt=""> Firefox </a></h2> <div class="c-sub-navigation-mobile-toggle is-summary" data-testid="sub-navigation-mobile-toggle"><span>Menu</span> </div> <ul class="c-sub-navigation-list is-details is-closed" data-testid="sub-navigation-menu"> <li class="c-sub-navigation-item"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/new/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav" data-link-text="Desktop"> Desktop </a></li> <li class="c-sub-navigation-item"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/mobile/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav" data-link-text="Mobile"> Mobile </a></li> <li class="c-sub-navigation-item"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/features/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav" data-link-text="Features"> Features </a></li> <li class="c-sub-navigation-item"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/compare/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav" data-link-text="Compare Browsers"> Compare Browsers </a></li> <li class="c-sub-navigation-item"><a href="https://www-mozilla-org.translate.goog/en-US/firefox/more/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-position="subnav" data-link-text="More" aria-current="page"> More </a></li> </ul> </div> </div> </nav> <div id="outer-wrapper"> <main> <section class="mzp-c-split page-hero mzp-l-split-hide-media-on-sm-md mzp-t-split-nospace t-mobile-nospace"> <div class="mzp-c-split-bg mzp-t-dark"> <div class="mzp-c-split-container"> <div class="mzp-c-split-media mzp-l-split-v-end"><picture> <source media="(min-width: 768px)" srcset="https://www-mozilla-org.translate.goog/media/img/firefox/more/privacy-hero-500.d867b499d38b.png?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB 500w,https://www-mozilla-org.translate.goog/media/img/firefox/more/privacy-hero-700.cbbd154ab1c0.png?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB 700w,https://www-mozilla-org.translate.goog/media/img/firefox/more/privacy-hero-900.38adf6a22a99.png?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB 900w,https://www-mozilla-org.translate.goog/media/img/firefox/more/privacy-hero-1100.69905264e3d4.png?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB 1100w" sizes="calc(50vw - 192px)"> <source media="(max-width: 767px)" srcset="https://www-mozilla-org.translate.goog/media/img/placeholder.71a50dbba44c.png?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB"> <img src="https://www.mozilla.org/media/img/firefox/more/privacy-hero-700.cbbd154ab1c0.png" alt="" height="626" width="680" class="mzp-c-split-media-asset"> </picture> </div> <div class="mzp-c-split-body"> <h2>Learn more about Firefox, its history, features and mission</h2> <p><a href="https://www-mozilla-org.translate.goog/en-US/firefox/faq/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" class="mzp-c-button mzp-t-product">Firefox FAQ</a></p> </div> </div> </div> </section> <div class="mzp-l-content"> <div class="mzp-l-card-third"> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/what-is-a-browser/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="What is a browser" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/what-is-a-browser.56f495565eca.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>What is a web browser?</span></h2> <p class="mzp-c-card-desc">A web browser takes you anywhere on the internet, letting you see text, images and video from anywhere in the world.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/browser-history/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Browser History" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/browser-history.606e48fb3e3e.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>The history of web browsers</span></h2> <p class="mzp-c-card-desc">Firefox has been there since almost the beginning.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/incognito-browser/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Features Private Browsing" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/incognito-browser.2f30fddfa665.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Incognito browser: What it really means</span></h2> <p class="mzp-c-card-desc">Firefox calls it private browsing, Chrome calls it incognito mode. Both let you browse the web without saving your browsing history.</p> </div></a> </section> </div> <div class="mzp-l-card-third"> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/more/misinformation/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Avoid Misinformation" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/avoid-misinformation.de85ffb0ad1d.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Avoid misinformation online – Firefox is here to help</span></h2> <p class="mzp-c-card-desc">Check out tips for seeing less misinformation and focusing on what’s important to you.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/update-your-browser/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Update Browser" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/update-browser.1bcec20443cd.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Update your browser to fast, safe and secure Firefox.</span></h2> <p class="mzp-c-card-desc">The Firefox browser is built to protect your privacy at every turn — because that’s the fastest way to free you from slow loads, bad ads, and trackers.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/windows/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Windows" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-windows.fb074139b590.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox fights for you on Windows</span></h2> <p class="mzp-c-card-desc">Easy migration of preferences and bookmarks when you download Firefox for Windows.</p> </div></a> </section> </div> <div class="mzp-l-card-third"> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/mac/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Mac" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-mac.610a83847fd9.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox respects your privacy on Mac.</span></h2> <p class="mzp-c-card-desc">Firefox doesn’t spy on searches. We stop known third-party tracking cookies and give you full control.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/linux/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Linux" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-linux.69355e68bccb.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox for Linux</span></h2> <p class="mzp-c-card-desc">New school meets old school with the fastest browser yet.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/windows-64-bit/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Win 64" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-64-bit.189781f6f2d0.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox for Windows 64-bit</span></h2> <p class="mzp-c-card-desc">We worry about your data safety so you don’t have to.</p> </div></a> </section> </div> <div class="mzp-l-card-third"> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/chromebook/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Products" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-chromebook.9754eb459605.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox Browser for Chromebook</span></h2> <p class="mzp-c-card-desc">While a Chromebook already has Chrome installed, downloading and using Firefox as your go-to browser provides you with a few benefits</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/browsers/quantum/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox Browsers" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-quantum.c80d6257207b.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Firefox Quantum</span></h2> <p class="mzp-c-card-desc">Firefox Quantum was a revolution in Firefox development. In 2017, we created a new, lightning fast browser that constantly improves. Firefox Quantum is the Firefox Browser.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/all/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Firefox All" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/firefox-all.c7cee32f45b1.jpg" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Choose which Firefox Browser to download in your language</span></h2> <p class="mzp-c-card-desc">We believe everyone should have access to the internet — that’s why we make the Firefox Browser available in more than 90 languages with the help of dedicated volunteers around the world.</p> </div></a> </section> </div> <div class="mzp-l-card-third"> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/features/block-fingerprinting/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Fingerprinter Blocking" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img loading="lazy" src="https://www.mozilla.org/media/img/firefox/more/fingerprint.95e4fde97fe1.png" alt="" class="mzp-c-card-image"> </div> <div class="mzp-c-card-content"> <h2 class="mzp-c-card-title"><span>Fingerprinter Blocking</span></h2> <p class="mzp-c-card-desc">Fingerprinting is a type of online tracking that’s more invasive than ordinary cookie-based tracking — that’s why Firefox Browser blocks it.</p> </div></a> </section> <section class="mzp-c-card mzp-has-aspect-3-2 "><a class="mzp-c-card-block-link" href="https://www-mozilla-org.translate.goog/en-US/firefox/features/translate/?_x_tr_sl=pl&amp;_x_tr_tl=cs&amp;_x_tr_hl=en-GB" data-link-text="Translate" data-link-position="card"> <div class="mzp-c-card-media-wrapper"> <img 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