Encrypt PDF online - protect PDF with password for free

<!DOCTYPE html> <html lang="en"> <head> <base href="https://www.cleverpdf.com:443/"> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="format-detection" content="telephone=no"> <meta http-equiv="x-rim-auto-match" content="none"> <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /> <meta http-equiv="Pragma" content="no-cache" /> <meta http-equiv="Expires" content="0" /> <meta name="viewport" content="width=device-width,initial-scale=1.0"/> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <link rel="shortcut icon" type="image/x-icon" href="/statics/images/favicon.ico"/> <link rel="Bookmark" type="image/x-icon" href="/statics/images/favicon.ico" /> <link rel="icon" type="image/x-icon" href="/statics/images/favicon.ico" /> <link href="/statics/css/metro.css" rel="stylesheet"> <link href="/statics/css/metro-icons.css" rel="stylesheet"> <link href="/statics/css/metro-responsive.css" rel="stylesheet"> <link href="/statics/css/global.css" rel="stylesheet"> <script src="/statics/js/jquery-3.1.0.min.js"></script> <script type="text/javascript" src="https://www.dropbox.com/static/api/2/dropins.js" id="dropboxjs" data-app-key="91sz5pnq38emmjo"></script>  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-PZNDVS6');</script>  <script type="application/ld+json"> { "@context": "http://schema.org", "@type": "Organization", "name": "CleverPDF", "url": "https://www.cleverpdf.com", "sameAs": [ "https://www.facebook.com/Cleverpdf-464751560559905/", "https://twitter.com/cleverpdf" ] } </script> <title>Encrypt PDF online - protect PDF with password for free - CleverPDF</title> <meta name="description" content="Encrypt PDF with open password and copying, printing permission. It's a free, secure and easy way to protect your PDF." > <meta property="og:site_name" content="cleverpdf" /> <meta property="og:image" content="https://www.cleverpdf.com/statics/images/og-en/encrypt-pdf.jpg" /> <meta property="og:title" content="Encrypt PDF online - protect PDF with password for free - CleverPDF" /> <meta property="og:type" content="website" /> <meta property="og:url" content="https://www.cleverpdf.com/encrypt-pdf" /> <meta property="og:description" content="Encrypt PDF with open password and copying, printing permission. It's a free, secure and easy way to protect your PDF." /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:site" content="@cleverpdf" /> <meta name="twitter:title" content="Encrypt PDF online - protect PDF with password for free - CleverPDF" /> <meta name="twitter:description" content="Encrypt PDF with open password and copying, printing permission. It's a free, secure and easy way to protect your PDF." /> <meta name="twitter:image" content="https://www.cleverpdf.com/statics/images/og-en/encrypt-pdf.jpg" /> <link rel="canonical" href="https://www.cleverpdf.com/encrypt-pdf" /> <link rel="alternate" hreflang="en" href="https://www.cleverpdf.com/encrypt-pdf" /> <link rel="alternate" hreflang="de" href="https://www.cleverpdf.com/de/pdf-schuetzen" /> <link rel="alternate" hreflang="fr" href="https://www.cleverpdf.com/fr/proteger-pdf" /> <link rel="alternate" hreflang="it" href="https://www.cleverpdf.com/it/proteggere-pdf" /> <link rel="alternate" hreflang="pt" href="https://www.cleverpdf.com/pt/proteger-pdf" /> <link rel="alternate" hreflang="es" href="https://www.cleverpdf.com/es/proteger-pdf" /> <link rel="alternate" hreflang="nl" href="https://www.cleverpdf.com/nl/wachtwoordbeveiliging-pdf" /> <link rel="alternate" hreflang="pl" href="https://www.cleverpdf.com/pl/ochrona-pdf" /> <link rel="alternate" hreflang="sv" href="https://www.cleverpdf.com/sv/skydda-pdf" /> <link rel="alternate" hreflang="zh-Hans" href="https://www.cleverpdf.com/cn/encrypt-pdf" /> <link rel="alternate" hreflang="zh-Hant" href="https://www.cleverpdf.com/zh-tw/encrypt-pdf" /> <link rel="alternate" hreflang="ja" href="https://www.cleverpdf.com/jp/encrypt-pdf" /> <link rel="alternate" hreflang="ru" href="https://www.cleverpdf.com/ru/encrypt-pdf" /> <link rel="alternate" hreflang="ko" href="https://www.cleverpdf.com/kr/encrypt-pdf" /> <link rel="alternate" hreflang="vi" href="https://www.cleverpdf.com/vi/encrypt-pdf" /> <link rel="alternate" hreflang="tr" href="https://www.cleverpdf.com/tr/encrypt-pdf" /> <link rel="alternate" hreflang="id" href="https://www.cleverpdf.com/id/encrypt-pdf" /> <link rel="alternate" hreflang="hi" href="https://www.cleverpdf.com/hi/encrypt-pdf" /> <link rel="alternate" hreflang="th" href="https://www.cleverpdf.com/th/encrypt-pdf" /> <link rel="alternate" hreflang="ar" href="https://www.cleverpdf.com/ar/encrypt-pdf" /> <link rel="alternate" hreflang="ro" href="https://www.cleverpdf.com/ro/encrypt-pdf" /> <link rel="alternate" hreflang="fi" href="https://www.cleverpdf.com/fi/encrypt-pdf" /> <link rel="alternate" hreflang="da" href="https://www.cleverpdf.com/da/encrypt-pdf" /> <link rel="alternate" hreflang="no" href="https://www.cleverpdf.com/no/encrypt-pdf" /> </head> <body>  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PZNDVS6" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>  <link href="/statics/css/function.css" rel="stylesheet"> <script src="/statics/js/metro.js"></script> <div class="content"> <header class="header"> <a href="/" class="header_logo"><img src="/statics/images/logo.svg" alt="CleverPDF Logo"/></a> <div class="header_nav"> <ul class="horizontal-menu"> <li> <p class="dropdown-toggle">Convert PDF</p> <ul class="d-menu" data-role="dropdown"> <li> <a href="/pdf-to-word" class="menu_tWord"><span>PDF to Word</span><i class="ico ico--word"></i></a> </li> <li> <a href="/pdf-to-excel" class="menu_tExcel"><span>PDF to Excel</span><i class="ico ico--excel"></i></a> </li> <li> <a href="/pdf-to-powerpoint" class="menu_tPPTX"><span>PDF to PPTX</span><i class="ico ico--ppt"></i></a> </li> <li> <a href="/pdf-to-images" class="menu_tImages"><span>PDF to Images</span><i class="ico ico--images"></i></a> </li> <li> <a href="/pdf-to-pages" class="menu_tPages"><span>PDF to Pages</span><i class="ico ico--pages"></i></a> </li> <li> <a href="/pdf-to-numbers" class="menu_tNumbers"><span>PDF to Numbers</span><i class="ico ico--numbers"></i></a> </li> <li> <a href="/pdf-to-keynote" class="menu_tKeynote"><span>PDF to Keynote</span><i class="ico ico--keynote"></i></a> </li> <li> <a href="/pdf-to-epub" class="menu_tEpub"><span>PDF to EPUB</span><i class="ico ico--pdf2epub"></i></a> </li> <li> <a href="/pdf-to-jpg" class="menu_tWord"><span>PDF to JPG</span><i class="ico ico--jpg"></i></a> </li> <li> <a href="/pdf-to-png" class="menu_tExcel"><span>PDF to PNG</span><i class="ico ico--png"></i></a> </li> <li> <a href="/pdf-to-tiff" class="menu_tPPTX"><span>PDF to TIF</span><i class="ico ico--tif"></i></a> </li> <li> <a href="/pdf-to-mobi" class="menu_tImages"><span>PDF to Mobi</span><i class="ico ico--mobi"></i></a> </li> </ul> </li> <li> <p class="dropdown-toggle">Create PDF</p> <ul class="d-menu d-menuP" data-role="dropdown"> <li> <a href="/word-to-pdf" class="menu_tWord"><i class="ico ico--word"></i><span>Word to PDF</span></a> </li> <li> <a href="/excel-to-pdf" class="menu_tExcel"><i class="ico ico--excel"></i><span>Excel to PDF</span></a> </li> <li> <a href="/powerpoint-to-pdf" class="menu_tPPTX"><i class="ico ico--ppt"></i><span>PPTX to PDF</span></a> </li> <li> <a href="/images-to-pdf" class="menu_tImages"><i class="ico ico--images2pdf"></i><span>Images to PDF</span></a> </li> <li> <a href="/odt-to-pdf" class="menu_tWord"><i class="ico ico--odt"></i><span>ODT to PDF</span></a> </li> <li> <a href="/epub-to-pdf" class="menu_tExcel"><i class="ico ico--epub2pdf"></i><span>EPUB to PDF</span></a> </li> <li> <a href="/epub-to-mobi" class="menu_tEpubMobi" style="overflow: hidden;"><i class="ico ico--epub2mobi"></i><span>EPUB to Mobi</span></a> </li> <li> <a href="/mobi-to-pdf" class="menu_tImages"><i class="ico ico--mobi2pdf"></i><span>Mobi to PDF</span></a> </li> <li> <a href="/jpg-to-pdf" class="menu_tWord"><i class="ico ico--jpg"></i><span>JPG to PDF</span></a> </li> <li> <a href="/png-to-pdf" class="menu_tExcel"><i class="ico ico--png"></i><span>PNG to PDF</span></a> </li> <li> <a href="/tiff-to-pdf" class="menu_tPPTX"><i class="ico ico--tif"></i><span>TIF to PDF</span></a> </li> <li> <a href="/bmp-to-pdf" class="menu_tImages"><i class="ico ico--bmp"></i><span>BMP to PDF</span></a> </li> </ul> </li> <li> <p class="dropdown-toggle">More PDF Tools</p> <ul class="d-menu d-menuP" data-role="dropdown"> <li> <a href="/encrypt-pdf" class="menu_tEncrypt"><i class="ico ico--encrypt"></i><span>Encrypt PDF</span></a> </li> <li> <a href="/unlock-pdf" class="menu_tUnlock"><i class="ico ico--unlock"></i><span>Unlock PDF</span></a> </li> <li> <a href="/combine-pdf" class="menu_tCombine"><i class="ico ico--combine"></i><span>Combine PDF</span></a> </li> <li> <a href="/split-pdf" class="menu_tSplit"><i class="ico ico--split"></i><span>Split PDF</span></a> </li> <li> <a href="/add-watermark-pdf" class="menu_tWatermark"><i class="ico ico--watermark"></i><span>PDF watermark</span></a> </li> <li> <a href="/rotate-pdf" class="menu_tRotate"><i class="ico ico--rotate"></i><span>Rotate PDF</span></a> </li> <li> <a href="/compress-pdf" class="menu_tCompress"><i class="ico ico--compress"></i><span>Compress PDF</span></a> </li> <li> <a href="/pdf-page-number" class="menu_tEditor"><i class="ico ico--pagenumber"></i><span>Page number</span></a> </li> <li> <a href="/extract-pdf-images" class="menu_tUnlock"><i class="ico ico--extract"></i><span>Extract Images</span></a> </li> <li> <a href="/rearrange-pdf-pages" class="menu_tSplit"><i class="ico ico--reorder"></i><span>Reorder Pages</span></a> </li> <li> <a href="/delete-pdf-pages" class="menu_tRotate"><i class="ico ico--delete"></i><span>Delete Pages</span></a> </li> <li> <a href="/image-format-converter" class="menu_tCompress" style="overflow: hidden;"><i class="ico ico--imageconverter"></i><span>Image Converter</span></a> </li> </ul> </li> </ul> </div> <div class="header_mobile"> <img src="/statics/images/function_menu.png" id="mobileMenu" alt="CleverPDF mobile menu" isclick="0"/> <div class="header_mobile_menu"> <div class="header_mobile_box"> <div class="header_mobile_lists active-container"> <div class="header_mobile_text dropdown-toggle active-toggle">Convert PDF</div> <ul class="header_mobile_list" data-role="dropdown"> <a href="/pdf-to-word"><span>PDF to Word</span></a> <a href="/pdf-to-excel"><span>PDF to Excel</span></a> <a href="/pdf-to-powerpoint"><span>PDF to PPTX</span></a> <a href="/pdf-to-images"><span>PDF to Images</span></a> <a href="/pdf-to-pages"><span>PDF to Pages</span></a> <a href="/pdf-to-numbers"><span>PDF to Numbers</span></a> <a href="/pdf-to-keynote"><span>PDF to Keynote</span></a> <a href="/pdf-to-epub"><span>PDF to EPUB</span></a> <a href="/pdf-to-jpg"><span>PDF to JPG</span></a> <a href="/pdf-to-png"><span>PDF to PNG</span></a> <a href="/pdf-to-tiff"><span>PDF to TIF</span></a> <a href="/pdf-to-mobi"><span>PDF to Mobi</span></a> </ul> </div> </div> <div class="header_mobile_box"> <div class="header_mobile_lists active-container"> <div class="header_mobile_text dropdown-toggle active-toggle">Create PDF</div> <ul class="header_mobile_list" data-role="dropdown"> <a href="/word-to-pdf" class="menu_tWord"><span>Word to PDF</span></a> <a href="/excel-to-pdf" class="menu_tExcel"><span>Excel to PDF</span></a> <a href="/powerpoint-to-pdf" class="menu_tPPTX"><span>PPTX to PDF</span></a> <a href="/images-to-pdf" class="menu_tImages"><span>Images to PDF</span></a> <a href="/odt-to-pdf" class="menu_tWord"><span>ODT to PDF</span></a> <a href="/epub-to-pdf" class="menu_tExcel"><span>EPUB to PDF</span></a> <a href="/epub-to-mobi" class="menu_tPPTX"><span>EPUB to Mobi</span></a> <a href="/mobi-to-pdf" class="menu_tImages"><span>Mobi to PDF</span></a> <a href="/jpg-to-pdf" class="menu_tEditor"><span>JPG to PDF</span></a> <a href="/png-to-pdf" class="menu_tEditor"><span>PNG to PDF</span></a> <a href="/tiff-to-pdf" class="menu_tEditor"><span>TIF to PDF</span></a> </ul> </div> </div> <div class="header_mobile_box"> <div class="header_mobile_lists active-container"> <div class="header_mobile_text dropdown-toggle active-toggle">More PDF Tools</div> <ul class="header_mobile_list" data-role="dropdown"> <a href="/encrypt-pdf" class="menu_tEncrypt"><span>Encrypt PDF</span></a> <a href="/unlock-pdf" class="menu_tUnlock"><span>Unlock PDF</span></a> <a href="/combine-pdf" class="menu_tCombine"><span>Combine PDF</span></a> <a href="/split-pdf" class="menu_tSplit"><span>Split PDF</span></a> <a href="/add-watermark-pdf" class="menu_tWatermark"><span>PDF watermark</span></a> <a href="/rotate-pdf" class="menu_tRotate"><span>Rotate PDF</span></a> <a href="/compress-pdf" class="menu_tCompress"><span>Compress PDF</span></a> <a href="/pdf-page-number" class="menu_tEditor"><span>Page number</span></a> <a href="/extract-pdf-images" class="menu_tEditor"><span>Extract Images</span></a> <a href="/rearrange-pdf-pages" class="menu_tEditor"><span>Reorder Pages</span></a> <a href="/delete-pdf-pages" class="menu_tEditor"><span>Delete Pages</span></a> <a href="/image-format-converter" class="menu_tEditor"><span>Image Converter</span></a> <a href="/png-to-jpg" class="menu_tEditor"><span>PNG to JPG</span></a> <a href="/heic-to-jpg" class="menu_tEditor"><span>HEIC to JPG</span></a> <a href="/tiff-to-jpg" class="menu_tEditor"><span>TIF to JPG</span></a> <a href="/bmp-to-jpg" class="menu_tEditor"><span>BMP to JPG</span></a> <a href="/gif-maker" class="menu_tEditor"><span>GIF Maker</span></a> <a href="/jpg-to-png" class="menu_tEditor"><span>JPG to PNG</span></a> <a href="/gif-to-jpg" class="menu_tEditor"><span>GIF to JPG</span></a> <a href="/gif-to-png" class="menu_tEditor"><span>GIF to PNG</span></a> </ul> </div> </div> </div> </div> <div class="header_language horizontal-menu"> <div class="header_language_select"> <input type="hidden" id="language_select_hidden" value="en"/> <p class="language_select_text dropdown-toggle" id="language_select_text">English</p> <div class="language_select_options" data-role="dropdown" id="language_select_options"> <a href="/encrypt-pdf" value="en">English</a> <a href="/de/pdf-schuetzen" value="de-DE">Deutsch</a> <a href="/fr/proteger-pdf" value="fr-FR">Français</a> <a href="/it/proteggere-pdf" value="it-IT">Italiano</a> <a href="/pt/proteger-pdf" value="pt-PT">Português</a> <a href="/es/proteger-pdf" value="es-ES">Español</a> <a href="/ru/encrypt-pdf" value="ru-RU">Русский</a> <a href="/sv/skydda-pdf" value="sv-SV">Svenska</a> <a href="/pl/ochrona-pdf" value="pl-PL">Polski</a> <a href="/nl/wachtwoordbeveiliging-pdf" value="nl-NL">Nederlands</a> <a href="/vi/encrypt-pdf" value="vi-VI">Tiếng việt</a> <a href="/id/encrypt-pdf" value="id-ID">Indonesian</a> <a href="/tr/encrypt-pdf" value="tr-TR">Türkçe</a> <a href="/jp/encrypt-pdf" value="ja-JP">日本語</a> <a href="/kr/encrypt-pdf" value="kr-KR">한국어</a> <a href="/cn/encrypt-pdf" value="zh-CN">中文简体</a> <a href="/zh-tw/encrypt-pdf" value="zh-TW">中文繁体</a> <a href="/hi/encrypt-pdf" value="hi">हिन्दी</a> <a href="/th/encrypt-pdf" value="th">ภาษาไทย</a> <a href="/ar/encrypt-pdf" value="ar">العربية</a><a href="/ro/encrypt-pdf" value="ro">Română</a><a href="/fi/encrypt-pdf" value="fi">Suomi</a><a href="/da/encrypt-pdf" value="da">Dansk</a><a href="/no/encrypt-pdf" value="no">Norsk</a> </div> </div> </div> </header> <script> $(function(){ var path = window.location.pathname; if (path == "/") { path = "/index"; } $(".header_nav").find("a").each(function() { var href = $(this).attr("href"); if (path.indexOf(href) >= 0) { $(".nav").find("a").removeClass("visited"); $(this).addClass("visited"); return false; } }) $(".language_select_options").find("a").click(function(){ var text=$(this).text(); $(".language_select_text").text(text); $(".language_select_options").hide(); }) $(".language_select_icon,.language_select_text").click(function(){ $(".language_select_options").show(); }) $("#mobileMenu").click(function(){ var isclick=$(this).attr("isclick"); if(isclick==0){ $(".header_mobile_menu").css({"min-height":$(window).height()}); $(".header_mobile_menu").show(); $(this).attr("isclick",1); }else{ $(".header_mobile_menu").hide(); $(this).attr("isclick",0); } }) }) </script> <section class="index_content"> <div class="content_header" style="clear: both;overflow: hidden;"> <div class="function_title"> <img src="/statics/images/functionToEncrypt.svg" alt="CleverPDF Encrypt PDF" style="margin-left:0;"/><h1 class="function_titleToEncrypt" id="encrypt_h1" >Encrypt PDF</h1> <h2 class="function_title_promit" id="encrypt_desc">Protect PDF file with open password or restrictions</h2> </div> <div class="advertisement_banner"> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script><ins class="adsbygoogle" style="display:inline-block;width:728px;height:90px" data-ad-client="ca-pub-5488736328646914" data-ad-slot="5523268150"></ins><script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <div class="function_box" id="choosefile"> <div class="function_choosefile"> <div class="function_choosefile_input"> <div class="canvas_container" id="container"> <div class="canvas_box"> <canvas id="the-canvas" class="canvas_img" style="width:112px;height:145px;"></canvas> <div class="canvas_title"></div> <a class="canvas_delete"><img src="/statics/images/canvas_delete.png" alt="canvas delete"/></a> </div> </div> <div class="input_box openUnlock" id="chooseInput"> <span id="choose_file"><label for="openPdf">Choose file</label></span> <input type="file" id="openPdf" accept="pdf" name="files" /> <div class="input_box_ship"> <ul> <li><img src="/statics/images/inputShipGoogle_1.png" onclick="loadPicker()" alt="Import from Google Drive"/><span>From Google Drive</span></li> <li><img src="/statics/images/inputShipDropbox_1.png" alt="Import from Dropbox"/><span>From Dropbox</span><div id="dropbox-container"></div></li> </ul> </div> </div> <div class="input_box openUnlock" id="startConversion" style="display:none;"> <button type="button" class="input_box_conversion" onclick="conversionValidate()">Start conversion</button> </div> </div> <div class="function_choosefile_font" id="encrypt_font">Or drag and drop files here</div> </div> <form id="filesUpload" action='pdf/uploadFiles' method='post' enctype='multipart/form-data'> <input type="hidden" name="files" id="fileUpload" value=""/> </form> <form id="signupListImportForm" class="import-file-form" enctype="multipart/form-data"> <input type="hidden" name="url" value=""/> <input type="hidden" name="index" value=""/> <input type="hidden" name="pid" id="PDFID" value="3"/> <input type="hidden" name="oid" value="1"/> <input type="hidden" name="status" value=""/> <input type="hidden" name="pwd" value=""/> <input type="hidden" name="formatv1" value="1"/> <input type="hidden" name="formatv2" value="1"/> <input type="hidden" name="formats1" value=""/> <input type="hidden" name="formats2" value=""/> </form> <div class="grid"> <div class="function_format row cells2 function_format_Encrypt"> <div class="function_format_radios function_format_left cell"> <label class="input-control checkbox small-check"> <input type="checkbox" id="requirePassword"> <span class="check"></span> <span class="caption" id="require_one">Require a password to open this document</span> </label> <div class="requirePassword"><input type="password" class="addBg" id="formats1Password" value="" readonly/> </div> </div> <div class="function_format_radios function_format_right cell"> <label class="input-control checkbox small-check"> <input type="checkbox" id="restrictEditing"> <span class="check"></span> <span class="caption" id="require_two">Restrict editing, copying and printing with owner password</span> </label> <div class="requireInput"><input id="formats2Password" value="" type="password" class="addBg" readonly/></div> <label class="input-control checkbox small-check requireInputHidden" style="margin-top:29px;"> <input type="checkbox" id="print" name="printing" value="1"> <span class="check"></span> <span class="caption">Do not allow printing </span> </label> <label class="input-control checkbox small-check requireInputHidden"> <input type="checkbox" name="copying" value="1" id="encrypt_caption"> <span class="check"></span> <span class="caption">Do not allow copying the content</span> </label> </div> </div> </div> </div> <div class="function_box" id="progress_up" style="display: none;"> <div class="function_progress"> <div class="function_progress_img"> <img src="/statics/images/function_progress_img.png" alt="File processing"/> </div> <div class="function_progress_font"id="file_uploading">File Uploading <span id="spanUploadBar"></span></div> <div class="progress small function_progress_box" data-role="progress" id="spanUploadPercent"></div> </div> </div> <div class="function_box" id="progress_transformation" style="display: none;"> <div class="function_progress"> <div class="function_progress_img"> <img src="/statics/images/function_progress_img1.png" alt="File converting"/> </div> <div class="function_progress_font"id="file_processing"><span id="progress_transformation_num"></span></div> <div class="progress small function_progress_box" id="progress_transformation_bg"> <div class="bar default" style="width: 50%;"></div> </div> </div> </div> <div class="function_box" id="error_box" style="display: none;"> <div class="function_error"> <div class="function_error_password" id="error_password"> <div class="function_error_title"id="combine_error_title">This is an encrypted file</div> <div class="function_error_font"id="combine_error_title_font">This file is encrypted by open password, we can't get access to the content. Please enter the correct open password, and try to convert it again.</div> <div class="function_error_text"><input type="password" id="txtPwd" placeholder="Please enter the password" /> </div> <div class="function_error_buttons"><input type="button" onclick="conversionPasswrod()"id="convert_again" value="Convert this file again"/></div> </div> <div class="function_error_password" id="error_passwordEncrypt"> <div class="function_error_font"id="combine_error_font">This is an encrypted file<br/> This file is encrypted, please select another file or use the Unlock PDF function. </div> <div class="function_error_buttons"><input type="button" class="function_error_button" onclick="conversionAnother()" id="select_file"value="Select another file"/><a href="/unlock-pdf"id="unlock_pdf">Unlock PDF</a></div> </div> <div class="function_error_password" id="error_bigger"> <div class="function_error_title"id="combine_error_title_two">The selected file is too large.</div> <div class="function_error_font"id="combine_error_title_font_three">Please select a file less than 20 MB. Or purchase CleverPDF for Windows, convert larger files without limitations.</div> <div class="function_error_buttons"><input type="button" class="function_error_button" onclick="conversionAnother()"id="try_another_file" value="Try another file"/><a href="/pdf-converter?utm_source=bigfile&utm_medium=website"id="problem_help">Download Desktop Version</a></div> </div> <div class="function_error_password" id="error_try"> <div class="function_error_title"id="combine_error_title_three">Not a normal file</div> <div class="function_error_font"id="combine_error_title_font_four">This file may be damaged or not a normal PDF file. Please try another PDF.</div> <div class="function_error_buttons"><input type="button" class="function_error_button" onclick="conversionAnother()"id="try_another_file_two" value="Try another file"/><a href="/help"id="problem_help_two">Problem Help</a></div> </div> <div class="function_error_password" id="error_format"> <div class="function_error_title"id="combine_error_title_four">Incorrect input format</div> <div class="function_error_font"id="combine_error_title_font_five">The file format you selected is not supported by this feature, please select the correct input format.</div> <div class="function_error_buttons"><input type="button" class="function_error_button" onclick="conversionAnother()"id="try_another_file_three" value="Try another file"/><a href="/help"id="problem_help_three">Problem Help</a></div> </div> <div class="function_error_password" id="error_more"> <div class="function_error_title"id="combine_error_title_five">Multiple files not supported</div> <div class="function_error_font"id="combine_error_title_font_severn">Please upload one file only, this feature does not support multiple files.</div> <div class="function_error_buttons"><input type="button" class="function_error_button" onclick="conversionAnother()" id="try_another_file_four" value="Try another file"/><a href="/help"id="problem_help_four">Problem Help</a></div> </div> </div> </div> <div class="grid"> <div class="row cells12 function_banner" id="productWin"> <div class=" cell colspan6 function_banner_box"> <div class="img"><a data-fancybox href="https://www.youtube.com/embed/fowcgijOiFc?rel=0" ><img src="/statics/images/win-ads.jpg" alt="CleverPDF Preview thumbnail"/> <p>Watch video</p></a></div> <div class="detail"> <h3 >Desktop version: 24-in-1 CleverPDF for Windows</h3> <span >More productive way for PDF to Word conversion and other 24 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files. </span> </div> </div> <div class="function_banner_button cell colspan3"> <a href="https://www.cleverpdf.com/uploadfile/cleverpdf-v300.exe" target="_blank" class="Free">Free Download</a> <a href="https://www.cleverpdf.com/pdf-converter" target="_blank" class="Learn" >Learn More</a> </div> </div> <div class="row cells12 function_banner" id="productMac"> <div class=" cell colspan6 function_banner_box"> <div class="img"><a data-fancybox href="https://www.youtube.com/embed/GEY_1YRDgjA?rel=0" ><img src="/statics/images/function_banner_mac.png" alt="CleverPDF Mac Preview thumbnail"/> <p>Watch video</p></a></div> <div class="detail"> <h3 id="">Desktop version: 20-in-1 CleverPDF for Mac</h3> <span id="">More productive way for PDF to Word conversion and other 20 PDF tasks. Desktop version doesn't require the Internet Connection, support batch processing and larger files. </span> </div> </div> <div class="function_banner_button cell colspan3"> <a href="https://www.cleverpdf.com/uploadfile/cleverpdf-v304.dmg" target="_blank" class="Free" id="">Free Download</a> <a href="https://www.cleverpdf.com/pdf-converter-mac" target="_blank" class="Learn" id="">Learn More</a> </div> </div> </div> <div class="grid function_lists"> <div class="row cells2 function_list"> <div class="cell"> <img src="/statics/images/function_list5.svg" alt="CleverPDF feature 5" class="function_list_img"/> <div class="function_list_detail"> <h3 id="encrypt_left_one">Protect your PDF with Open Password</h3> <span id="encrypt_left_one_desc">Set an open password for your PDF file, so only the authorized readers with the correct open password can get access to your content. With 128bits encryption, it is impossible to crack your password on a regular computer. This is strong protection for your file. </span> </div> </div> <div class="cell"> <img src="/statics/images/function_list6.svg" alt="CleverPDF feature 6" class="function_list_img"/> <div class="function_list_detail"> <h3 id="encrypt_right_two">Add the copying and printing restriction for PDF</h3> <span id="encrypt_right_two_desc">Add permission security that prevents others from copying content from your PDF, or printing out the PDF. Once protected, the file is secured, the copy and print button will grey out in the Adobe Reader, some other PDF readers may ask for the password for copying and printing. </span> </div> </div> </div> <div class="row cells2 function_list"> <div class="cell"> <img src="/statics/images/function_list3.svg" alt="CleverPDF feature 3" class="function_list_img"/> <div class="function_list_detail"> <h3 id="encrypt_left_three">Introduction of PDF security</h3> <span id="encrypt_left_three_desc">There are mainly two types of PDF password. 'Open Password' is the strongest, if you choose a long length and random characters, it's not likely to be cracked. 'Owner password' is a weak protection, which prevents someone from copying, editing or printing, but it may bypass by some PDF software. </span> </div> </div> <div class="cell"> <img src="/statics/images/function_list4.svg" alt="CleverPDF feature 4" class="function_list_img"/> <div class="function_list_detail"> <h3 id="encrypt_right_four">Safe way to secure your PDF</h3> <span id="encrypt_right_four_desc">All the files you uploaded and the encrypted PDF will be deleted from our server after 30 mins, and your password data will be erased as well. Files are transferred using SSL connections, which is encrypted so no one can get access to your files during the online PDF encryption process. </span> </div> </div> </div> <div class="row function_list"> <div class="cell"> <img src="/statics/images/function_list_guide.svg" class="function_list_img" alt="CleverPDF How-to Guide"/> <div class="function_list_detail"> <h2 id="guide">How to Encrypt PDF Online?</h2> <span id=""> <ol> <li>Select a PDF by clicking 'Choose file' button or simply drag the file to the Encrypt PDF page. <br/></li> <li>Select an encryption method, you can add open password or owner password with copying and printing restriction. <br/></li> <li>Click 'Start Conversion' button to start the online encryption. <br/></li> <li>Download the encrypted PDF file after processing. <br/></li> </ol> </span> </div> </div> </div> </div> </section> <input type="hidden" id="isEncrypt" value="0"/> </div> <footer class="footer"> <div class="footer_keep"> <div class="footer_keep_box"> <ul> <li class="font" id="keep_touch">Follow us on</li> <li class="img"><a href="https://www.facebook.com/Cleverpdf-464751560559905/"><img src="/statics/images/keep_1_1.svg" alt="Follow CleverPDF on Facebook"/></a></li> <li class="img"><a href="https://twitter.com/cleverpdf"><img src="/statics/images/keep_2_1.svg" alt="Follow CleverPDF on Twitter"/></a></li> <li class="img"><a href="https://www.youtube.com/channel/UCdBicppgdgMiij_ajin3kMw"><img src="/statics/images/keep_3_1.svg" alt="CleverPDF YouTube Channel"/></a></li> </ul> </div> </div> <div class="footer_print"> <div class="footer_center"> <div class="footer_link"> <a href="/privacy" class="first" id="privacy_terms">Privacy and Terms</a> <a href="/about-us" id="about_ab">About CleverPDF</a> <a href="/help" id="help_guide">Help and guide</a> <a href="/contact" id="con_us">Contact US</a> <a href="/pdf-converter" id="desk_store" >Desktop Software Store</a> </div> <div class="footer_font">Copyright © 2020 CleverPDF. All Rights Reserved</div> </div> </div> <div class="footer_print_mobile"> <div class="footer_link"> <ul> <li><a href="/privacy" class="first" id="privacy_terms_mb">Privacy and Terms</a></li> <li><a href="/about-us" id="about_ab_mb">About CleverPDF</a></li> <li><a href="/help" id="help_guide_mb">Help and guide</a></li> <li><a href="/contact" id="con_us_mb">Contact US</a></li> <li><a href="/pdf-converter" id="desk_store_mb" >Desktop Software Store</a></li> </ul> </div> <div class="footer_font">Copyright © 2020 CleverPDF. All Rights Reserved</div> </div> </footer> <script type="text/javascript" src="statics/js/jquery-1.7.1.min.js"></script> <script type="text/javascript" src="statics/js/i18n/jquery.json-2.3.min.js"></script> <script type="text/javascript" src="statics/js/i18n/jquery.i18n.properties-1.0.9.js"></script> <link rel="stylesheet" href="/statics/css/jquery.fancybox.min.css" type="text/css" media="screen" /> <script async type="text/javascript" src="/statics/js/jquery.fancybox.min.js"></script><script type="text/javascript" src="https://s.skimresources.com/js/176791X1645789.skimlinks.js"></script> <script> var u = navigator.userAgent, app = navigator.appVersion; var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1; //g var isIOS = u.indexOf('Mac OS') > -1 ; //ios终端 var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows"); if (isAndroid) { //这个是安卓操作系统 $("#isWindow").show(); $("#productWin").show(); } if (isIOS) { //这个是ios操作系统 $("#isMac").show(); $("#productMac").show(); } if(isWin){ $("#isWindow").show(); $("#productWin").show(); } </script> <script type="application/ld+json">{"@context":"http://schema.org","@type":"HowTo","name":"How to Encrypt PDF Online?","url":"https://www.cleverpdf.com/encrypt-pdf","inLanguage":"en","step":[{"@type":"HowToStep","position":1,"text":"Select a PDF by clicking 'Choose file' button or simply drag the file to the Encrypt PDF page. "},{"@type":"HowToStep","position":2,"text":"Select an encryption method, you can add open password or owner password with copying and printing restriction. "},{"@type":"HowToStep","position":3,"text":"Click 'Start Conversion' button to start the online encryption. "},{"@type":"HowToStep","position":4,"text":"Download the encrypted PDF file after processing. "}]}</script> </body> <script src="/statics/js/upload/jquery.form.js"></script> <script src="/statics/js/upload/cleverpdf.upload.js"></script> <script src="/statics/js/dialog.js"></script> <script src="/statics/js/upload/common.js"></script> <script src="/statics/js/jquery.tips.js"></script> <script type="text/javascript"> $(function () { //傳入的參數，為該 divUploadArea 區塊中，所有 DOM 对象(控件) 的 id 編號，如: divUploadArea1、spanUploadSelect1、WizardWuFileUpload1、... $(this).loadUploadContent(""); //載入第一個上傳區塊 divUploadArea1 所需要的 form 及 jQuery 內容 //$(this).loadUploadContent('2'); //載入第二個上傳區塊 divUploadArea2 所需要的 form 及 jQuery 內容 }); </script> <script src="/statics/js/pdf.js"></script> <script src="/statics/js/upload/dropbox.js"></script> <script src="https://apis.google.com/js/api.js"></script> <script src="/statics/js/storage/google/driver.js"></script> <script type="text/javascript"> function showPdf(obj) { var container = document.getElementById("container"); container.style.display = "block"; var url = obj; PDFJS.workerSrc = '/statics/js/pdf.worker.js'; PDFJS.getDocument(url).then(function getPdfHelloWorld(pdf) { // // Fetch the first page // pdf.getPage(1).then(function getPageHelloWorld(page) { var scale = 0.3; var viewport = page.getViewport(scale); // // Prepare canvas using PDF page dimensions // var canvas = document.getElementById('the-canvas'); var context = canvas.getContext('2d'); canvas.height = viewport.height; canvas.width = viewport.width; // // Render PDF page into canvas context // var renderContext = { canvasContext: context, viewport: viewport }; page.render(renderContext); }); }); } function startConversion(){ var formatv1 = $("input[name='formatv1']").val(); var formatv2 = $("input[name='formatv2']").val(); var formats1 = $("input[name='formats1']").val(); var formats2 = $("input[name='formats2']").val(); var requirePassword=$("#requirePassword").prop("checked"); var restrictEditing=$("#restrictEditing").prop("checked"); if(requirePassword==false && restrictEditing==false){ $(".input_box_conversion").tips({ side : 3, msg : "Please select at least one encryption method", bg : '#f9f9f9', color:'#ef2f61', time : 2 }); return; } if(requirePassword==true){ if(formats1=="" || formats1==null){ $("#formats1Password").tips({ side : 3, msg : "Please enter your password", bg : '#f9f9f9', color:'#ef2f61', time : 2 }); return; } } if(restrictEditing==true){ if(formats2=="" || formats2==null){ $("#formats2Password").tips({ side : 3, msg : "Please enter your password", bg : '#f9f9f9', color:'#ef2f61', time : 2 }); return; } } var pwd=$("#txtPwd").val(); $("[name='pwd']").val(pwd); ajaxConversion('downEncrypt'); } $(function(){ $("#requirePassword").change(function(){ var checked=$(this).prop("checked"); if(checked==true){ $(".requirePassword").find("input").removeClass("addBg"); $(".requirePassword").find("input").attr("readonly",false); }else{ $(".requirePassword").find("input").addClass("addBg"); $(".requirePassword").find("input").attr("readonly",true); $("#formats1Password").val(""); $("[name='formats1']").val(""); } }) $("#restrictEditing").change(function(){ var checked=$(this).prop("checked"); if(checked==true){ $(".requireInput").find("input").removeClass("addBg"); $(".requireInput").find("input").attr("readonly",false); $(".requireInputHidden").show(); $("#lookPassword").show(); }else{ $(".requireInput").find("input").addClass("addBg"); $(".requireInput").find("input").attr("readonly",true); $(".requireInputHidden").hide(); $("#lookPassword").hide(); $("#formats2Password").val(""); $("[name='formats2']").val(""); } }) $("#print").change(function(){ var checked=$(this).prop("checked"); if(checked==true){ $(this).val("0"); }else{ $(this).val("1"); } $("[name='formatv1']").val($(this).val()); }) $("#encrypt_caption").change(function(){ var checked=$(this).prop("checked"); if(checked==true){ $(this).val("0"); }else{ $(this).val("1"); } $("[name='formatv2']").val($(this).val()); }) $("#formats1Password").blur(function(){ var val=$(this).val(); if(val==null || val ==""){ $("#formats1Password").tips({ side : 3, msg : "Please enter your password", bg : '#f9f9f9', color:'#ef2f61', time : 2 }); return; }else{ $("[name='formats1']").val($(this).val()); } }) $("#formats2Password").blur(function(){ var val=$(this).val(); if(val==null || val ==""){ $("#formats2Password").tips({ side : 3, msg : "Please enter your password", bg : '#f9f9f9', color:'#ef2f61', time : 2 }); return; }else{ $("[name='formats2']").val($(this).val()); } }) loadSubmit1(); fileFn1(); }) function loadSubmit1(){ var pdfIndex = localStorage.getItem('pdfIndex'); var uploadUrl = localStorage.getItem('uploadUrl'); if (pdfIndex != '' && pdfIndex != null && pdfIndex != 'undefined') { localStorage.removeItem('pdfIndex'); localStorage.removeItem('uploadUrl'); var data = new FormData(); data.append('index', pdfIndex); $.ajax({ type: "POST", url: 'pdf/renewFile', data: data, contentType: false, dataType: 'text', processData: false, success: function (data) { var pd = $.parseJSON(data); console.log(pd); $("input[name='url']").val(uploadUrl); $("input[name='index']").val(pd.data.index); $("input[name='pid']").val(pd.data.pid); $("input[name='oid']").val(pd.data.oid); $("input[name='status']").val(pd.data.status); $("#choosefile").show(); $("#container").hide(); $("#chooseInput").hide(); $("#startConversion").show(); $("#progress_up").hide(); $("#progress_transformation").hide(); progress.hide(); console.log(data); var container = document.getElementById("container"); container.style.display = "block"; $(".function_choosefile").addClass("function_choosefile_addPadding"); $(".canvas_img").addClass("canvas_pdf"); }, error: function (data) { console.log(data.error) } }); } } </script> </html>

CINXE.COM

Encrypt PDF online - protect PDF with password for free - CleverPDF