{"id":856,"date":"2005-12-30T19:16:00","date_gmt":"2005-12-30T13:46:00","guid":{"rendered":"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/"},"modified":"2026-10-07T12:39:09","modified_gmt":"2026-10-07T07:09:09","slug":"50-best-firefox-extensions-for-power-surfing","status":"publish","type":"post","link":"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/","title":{"rendered":"20 Best Firefox Extensions for Power Surfing (2026 Update)"},"content":{"rendered":"<p>Which are the <strong>best Firefox extensions<\/strong>? Our first list in 2005 had 50 add-ons, from All-in-One Gestures to IE Tab and Linky. Firefox has since rebuilt its add-on system, and almost all of those old extensions stopped working in 2017. Firefox is still the best browser for power users who love extensions, especially now that it keeps supporting full ad blockers. Here are the 20 Firefox add-ons worth installing in 2026, grouped by what they do.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-63443\" src=\"https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions.webp\" alt=\"Best Firefox extensions for power surfing\" width=\"1200\" height=\"630\" srcset=\"https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions.webp 1200w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions-300x158.webp 300w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions-1024x538.webp 1024w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions-150x79.webp 150w, https:\/\/www.quickonlinetips.com\/archives\/wp-content\/uploads\/best-firefox-extensions-768x403.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><strong>Quick answer:<\/strong> The best Firefox extensions in 2026 are uBlock Origin for blocking ads and trackers, Bitwarden for passwords, Multi-Account Containers for separating logins, Dark Reader for dark mode, Sidebery or Tree Style Tab for tab management, and SponsorBlock for YouTube. Install them only from the official Firefox Add-ons site.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6adb43f13694c\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #1a202c;color:#1a202c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #1a202c;color:#1a202c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6adb43f13694c\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Privacy_and_security\" >Privacy and security<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Tab_management\" >Tab management<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Reading_and_appearance\" >Reading and appearance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#YouTube_and_media\" >YouTube and media<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Power_user_tools\" >Power user tools<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Tips_for_using_Firefox_extensions_safely\" >Tips for using Firefox extensions safely<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#What_happened_to_the_classic_Firefox_extensions\" >What happened to the classic Firefox extensions?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Do_Chrome_extensions_work_in_Firefox\" >Do Chrome extensions work in Firefox?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Does_Firefox_still_support_uBlock_Origin\" >Does Firefox still support uBlock Origin?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/12\/50-best-firefox-extensions-for-power-surfing\/#Do_Firefox_extensions_work_on_Android\" >Do Firefox extensions work on Android?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Privacy_and_security\"><\/span>Privacy and security<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/ublock-origin\/\" target=\"_blank\" rel=\"noopener\">uBlock Origin<\/a> &#8211; the most efficient ad, tracker and malware-domain blocker. Firefox still supports its full version.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/bitwarden-password-manager\/\" target=\"_blank\" rel=\"noopener\">Bitwarden<\/a> &#8211; free, open-source password manager that syncs everywhere.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/multi-account-containers\/\" target=\"_blank\" rel=\"noopener\">Firefox Multi-Account Containers<\/a> &#8211; keep work, personal and shopping logins in colour-coded tabs that cannot see each other&#8217;s cookies.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/facebook-container\/\" target=\"_blank\" rel=\"noopener\">Facebook Container<\/a> &#8211; isolates Facebook so it cannot follow you around the web.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/privacy-badger17\/\" target=\"_blank\" rel=\"noopener\">Privacy Badger<\/a> &#8211; learns to block invisible trackers automatically.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/clearurls\/\" target=\"_blank\" rel=\"noopener\">ClearURLs<\/a> &#8211; strips tracking codes from links.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/consent-o-matic\/\" target=\"_blank\" rel=\"noopener\">Consent-O-Matic<\/a> &#8211; answers cookie banners for you, choosing the most private option.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tab_management\"><\/span>Tab management<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/sidebery\/\" target=\"_blank\" rel=\"noopener\">Sidebery<\/a> &#8211; vertical tabs in a sidebar with panels and tree view. Firefox now also offers built-in vertical tabs.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/tree-style-tab\/\" target=\"_blank\" rel=\"noopener\">Tree Style Tab<\/a> &#8211; shows tabs as a tree, so pages you open from a page stay grouped under it.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/tab-session-manager\/\" target=\"_blank\" rel=\"noopener\">Tab Session Manager<\/a> &#8211; saves and restores whole sets of windows and tabs.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/onetab\/\" target=\"_blank\" rel=\"noopener\">OneTab<\/a> &#8211; collapses all open tabs into a list to free memory.<\/li>\n<\/ul>\n<p>Firefox now has built-in undo for closed tabs (Ctrl+Shift+T), so you no longer need the old Undo Closed Tabs extension. More tips in our guide to <a href=\"https:\/\/www.quickonlinetips.com\/archives\/2009\/05\/manage-tabs-firefox-extensions\/\">managing tabs in Firefox<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Reading_and_appearance\"><\/span>Reading and appearance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/darkreader\/\" target=\"_blank\" rel=\"noopener\">Dark Reader<\/a> &#8211; dark mode for every website, with brightness and contrast controls.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/styl-us\/\" target=\"_blank\" rel=\"noopener\">Stylus<\/a> &#8211; apply your own CSS styles to any site.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/simple-translate\/\" target=\"_blank\" rel=\"noopener\">Simple Translate<\/a> &#8211; translate selected text or a whole page quickly.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/single-file\/\" target=\"_blank\" rel=\"noopener\">SingleFile<\/a> &#8211; save a complete web page as a single HTML file for offline reading.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"YouTube_and_media\"><\/span>YouTube and media<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/sponsorblock\/\" target=\"_blank\" rel=\"noopener\">SponsorBlock<\/a> &#8211; skips sponsor segments and intros in YouTube videos using community data.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/enhancer-for-youtube\/\" target=\"_blank\" rel=\"noopener\">Enhancer for YouTube<\/a> &#8211; control playback speed, volume and theatre mode.<\/li>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/video-downloadhelper\/\" target=\"_blank\" rel=\"noopener\">Video DownloadHelper<\/a> &#8211; save videos you have the right to download.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Power_user_tools\"><\/span>Power user tools<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/violentmonkey\/\" target=\"_blank\" rel=\"noopener\">Violentmonkey<\/a> &#8211; run user scripts that customise websites, the modern successor to Greasemonkey.<\/li>\n<li><a href=\"https:\/\/www.grammarly.com\/browser\/firefox\" target=\"_blank\" rel=\"noopener\">Grammarly<\/a> &#8211; grammar and spelling checks in every text box.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tips_for_using_Firefox_extensions_safely\"><\/span>Tips for using Firefox extensions safely<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><strong>Install only from <a href=\"https:\/\/addons.mozilla.org\/\" target=\"_blank\" rel=\"noopener\">addons.mozilla.org<\/a>.<\/strong> Look for the &#8220;Recommended&#8221; badge, which means Mozilla has reviewed the add-on.<\/li>\n<li><strong>Check permissions.<\/strong> An extension that wants to &#8220;access your data for all websites&#8221; needs a good reason.<\/li>\n<li><strong>Keep it lean.<\/strong> Each extension uses memory. Remove ones you have not used in a month at about:addons.<\/li>\n<li><strong>Watch for ownership changes.<\/strong> Popular extensions are sometimes sold and turned into adware. Read recent reviews.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"What_happened_to_the_classic_Firefox_extensions\"><\/span>What happened to the classic Firefox extensions?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In 2017, Firefox 57 (Quantum) switched to the WebExtensions system shared with Chrome. Legacy add-ons such as All-in-One Gestures, IE Tab, Linky and Tab Mix Plus in its original form stopped working. Some returned as new versions; others were replaced by built-in Firefox features. Our older <a href=\"https:\/\/www.quickonlinetips.com\/archives\/2006\/01\/top-extensions-to-manage-firefox-extensions\/\">extension manager roundup<\/a> shows how much has changed, and our look at <a href=\"https:\/\/www.quickonlinetips.com\/archives\/2005\/06\/popular-toolbars-for-web-browsers\/\">popular browser toolbars<\/a> covers the same story.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Do_Chrome_extensions_work_in_Firefox\"><\/span>Do Chrome extensions work in Firefox?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Not directly, but many developers publish the same extension for both browsers because they share the WebExtensions format.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_Firefox_still_support_uBlock_Origin\"><\/span>Does Firefox still support uBlock Origin?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. While Chrome moved to Manifest V3 and limited full ad blockers, Firefox continues to support the complete uBlock Origin.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_Firefox_extensions_work_on_Android\"><\/span>Do Firefox extensions work on Android?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. Firefox for Android supports a large and growing set of extensions, including uBlock Origin and Dark Reader.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which are the best Firefox extensions? Our first list in 2005 had 50 add-ons, from All-in-One Gestures to IE Tab&#8230;<\/p>\n","protected":false},"author":4,"featured_media":63443,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[52],"class_list":["post-856","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-popular"],"_links":{"self":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/856","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/comments?post=856"}],"version-history":[{"count":1,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/856\/revisions"}],"predecessor-version":[{"id":63444,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/posts\/856\/revisions\/63444"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media\/63443"}],"wp:attachment":[{"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/media?parent=856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/categories?post=856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.quickonlinetips.com\/archives\/wp-json\/wp\/v2\/tags?post=856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}