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Add-ons for Firefox (en-US)To use these add-ons, you'll need to download Firefox.Dismiss this noticeFirefox Browser Add-onsExtensionsThemesMore…for FirefoxDictionaries & Language PacksOther Browser SitesAdd-ons for AndroidLog inSearchSearchBY FIREFOXFirefox TranslationsTranslate websites in Firefox — privately — without using the cloud. Get the extension Extensions are like apps for Firefox.They add features to Firefox to make browsing faster, safer, or just plain fun.See all extensions2025 Staff PicksSee staff picksNew Recommended ExtensionsExplore nowExtension Starter PackSee staff picksRecommended extensionsSee more recommended extensionsVideo Background Play FixSome sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.Rated 4.5 out of 5JanH186,572 usersVideo DownloadHelperDownload videos from the web. Easy, smart, no tracking.Rated 4.3 out of 5vdh1,752,142 usersPopup Blocker (strict)Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup addressRated 4.1 out of 5Jeremy Schomery78,338 usersTurbo Download ManagerA download manager with the ability to pause and resume downloads, download remote files, and more.Rated 3.9 out of 5InBasic53,083 usersSee more recommended extensionsTrending themesSee more trending themesKanagawa Wave Dark ThemeRated 5 out of 5Bullfinch438 usersRei Ayanami Japanese AnimeRated 4.9 out of 5ConcussedDolphin1,623 usersforests of VIRated 4.6 out of 5clockworked1,970 usersSee more trending themesTab managersSee more tab management staff picksOneTabOneTab - Too many tabs? Convert tabs to a list and reduce browser memoryRated 4.1 out of 5OneTab Team160,222 usersTree Style TabShow tabs like a tree.Rated 4.5 out of 5Piro (piro_or)162,444 usersTab Session ManagerSave and restore the state of windows and tabs. It also supports automatic saving and cloud sync.Rated 4.2 out of 5sienori147,575 usersAuto Tab DiscardIncrease browser speed and reduce memory load and when you have numerous open tabs.Rated 4.5 out of 5tlintspr75,711 usersSee more tab management staff picksSocial media extensionsSee more social media staff picksReturn YouTube DislikeReturns ability to see dislike statistics on youtubeRated 4.7 out of 5Dmitry Selivanov906,235 usersBetterTTVEnhances Twitch and YouTube with new features, emotes, and more.Rated 4.6 out of 5NightDev493,598 usersSink It for RedditUpgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!Rated 4.5 out of 5SpecterAscendant14,836 usersYouTube Search FixerRemove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.Rated 4.5 out of 5Phoenix33,352 usersSee more social media staff picksRecommended themesSee more recommended themesVolcanoRated 5 out of 5Camarada17,763 usersKazuha (Card) - Genshin ImpactRated 4.8 out of 5copyerder589 usersPurple Gloomy CloudsRated 4.8 out of 5ivy15,751 usersSee more recommended themesAccessibility extensionsSee more accessibility staff picksDark ReaderDark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.Rated 4.5 out of 5Dark Reader Ltd1,269,951 usersRead Aloud: A Text to Speech Voice ReaderRead out loud the current web-page article with one click. Supports 40+ languages.Rated 3.8 out of 5LSD Software201,172 usersDark ModeDark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.Rated 3.2 out of 5Dark Mode45,808 usersSideberyVertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.Rated 4.7 out of 5mbnuqw56,743 usersSee more accessibility staff picks“user scripts” tagged extensionsSee more extensions tagged "user scripts"'Improve YouTube!' 🎧 (For YouTube & Video)Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)Rated 4.3 out of 5code-for-charity106,301 usersImmersive Translate - Translate Website & PDFFree Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in BilingualRated 4.4 out of 5Immersive Translate103,460 usersPopUpOFFRemoves and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.Rated 4.3 out of 5RomanistHere46,093 usersTurn Off the Lights for FirefoxThe entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.Ra...
Add-ons for Firefox (en-US)To use these add-ons, you'll need to download Firefox.Dismiss this noticeFirefox Browser Add-onsExtensionsThemesMore…for FirefoxDictionaries & Language PacksOther Browser SitesAdd-ons for AndroidLog inSearchSearchBY FIREFOXFirefox TranslationsTranslate websites in Firefox — privately — without using the cloud. Get the extension Extensions are like apps for Firefox.They add features to Firefox to make browsing faster, safer, or just plain fun.See all extensions2025 Staff PicksSee staff picksNew Recommended ExtensionsExplore nowExtension Starter PackSee staff picksRecommended extensionsSee more recommended extensionsVideo Background Play FixSome sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.Rated 4.5 out of 5JanH186,572 usersVideo DownloadHelperDownload videos from the web. Easy, smart, no tracking.Rated 4.3 out of 5vdh1,752,142 usersPopup Blocker (strict)Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup addressRated 4.1 out of 5Jeremy Schomery78,338 usersTurbo Download ManagerA download manager with the ability to pause and resume downloads, download remote files, and more.Rated 3.9 out of 5InBasic53,083 usersSee more recommended extensionsTrending themesSee more trending themesKanagawa Wave Dark ThemeRated 5 out of 5Bullfinch438 usersRei Ayanami Japanese AnimeRated 4.9 out of 5ConcussedDolphin1,623 usersforests of VIRated 4.6 out of 5clockworked1,970 usersSee more trending themesTab managersSee more tab management staff picksOneTabOneTab - Too many tabs? Convert tabs to a list and reduce browser memoryRated 4.1 out of 5OneTab Team160,222 usersTree Style TabShow tabs like a tree.Rated 4.5 out of 5Piro (piro_or)162,444 usersTab Session ManagerSave and restore the state of windows and tabs. It also supports automatic saving and cloud sync.Rated 4.2 out of 5sienori147,575 usersAuto Tab DiscardIncrease browser speed and reduce memory load and when you have numerous open tabs.Rated 4.5 out of 5tlintspr75,711 usersSee more tab management staff picksSocial media extensionsSee more social media staff picksReturn YouTube DislikeReturns ability to see dislike statistics on youtubeRated 4.7 out of 5Dmitry Selivanov906,235 usersBetterTTVEnhances Twitch and YouTube with new features, emotes, and more.Rated 4.6 out of 5NightDev493,598 usersSink It for RedditUpgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!Rated 4.5 out of 5SpecterAscendant14,836 usersYouTube Search FixerRemove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.Rated 4.5 out of 5Phoenix33,352 usersSee more social media staff picksRecommended themesSee more recommended themesVolcanoRated 5 out of 5Camarada17,763 usersKazuha (Card) - Genshin ImpactRated 4.8 out of 5copyerder589 usersPurple Gloomy CloudsRated 4.8 out of 5ivy15,751 usersSee more recommended themesAccessibility extensionsSee more accessibility staff picksDark ReaderDark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.Rated 4.5 out of 5Dark Reader Ltd1,269,951 usersRead Aloud: A Text to Speech Voice ReaderRead out loud the current web-page article with one click. Supports 40+ languages.Rated 3.8 out of 5LSD Software201,172 usersDark ModeDark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.Rated 3.2 out of 5Dark Mode45,808 usersSideberyVertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.Rated 4.7 out of 5mbnuqw56,743 usersSee more accessibility staff picks“user scripts” tagged extensionsSee more extensions tagged "user scripts"'Improve YouTube!' 🎧 (For YouTube & Video)Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)Rated 4.3 out of 5code-for-charity106,301 usersImmersive Translate - Translate Website & PDFFree Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in BilingualRated 4.4 out of 5Immersive Translate103,460 usersPopUpOFFRemoves and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.Rated 4.3 out of 5RomanistHere46,093 usersTurn Off the Lights for FirefoxThe entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.Ra...