A list of all Mozilla-recommended browser extensions on the Firefox Add-ons store (as of April 20, 2026).
Firefox NameLicenseAvailable on Firefox for AndroidDescriptionCategories'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)Appearance + Photos, Music & Videos + TabsAdaptive Tab Bar ColorChanges the color of Firefox theme to match the website’s appearance.Appearance + TabsAdBlocker for YouTube™Remove all annoying ads from YouTube.Privacy & Security + Appearance + Photos, Music & VideosAdGuard AdBlockerUnmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.Privacy & SecurityAudio EqualizerStylish audio equalizer in toolbar popup.Appearance + Photos, Music & Videos + TabsAugmented SteamAugments your Steam ExperienceShopping + Games & EntertainmentAuto Tab DiscardIncrease browser speed and reduce memory load and when you have numerous open tabs.Appearance + TabsautomaticDark - Time-Based Theme ChangerAutomatically change Firefox's theme based on the time.AppearanceAwesome Screenshot & ScreenFull page screen capture and screen recorder 2 in 1. Share screencast video instantly.Photos, Music & Videos + Social & CommunicationBetterTTVEnhances Twitch and YouTube with new features, emotes, and more.Social & Communication + Games & EntertainmentBitwarden Password ManagerAt home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.Privacy & SecurityBlock SiteA customizable, password-protected website blocker and redirector.Privacy & Security + Appearance + TabsCanvasBlockerAlters some JS APIs to prevent fingerprinting.Privacy & SecurityChecker Plus for Gmail™Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.Feeds, News & Blogging + Appearance + Social & Communication + Alerts & UpdatesChrome MaskMakes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.Web DevelopmentClear Browsing DataDelete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.Web Development + Privacy & SecurityClear CacheAdvanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!Web Development + Privacy & Security + Search ToolsClearURLsRemoves tracking elements from URLsPrivacy & SecurityClippingsSave frequently-entered text for pasting later.Feeds, News & Blogging + Social & CommunicationConsent-O-MaticAutomatic handling of GDPR consent formsPrivacy & SecurityControl Panel for TwitterGives you more control over Twitter and adds missing features and UI improvementsSocial & CommunicationCopy PlainTextCopy Plain Text without any formattingSearch Tools + Appearance + Social & CommunicationCustom ScrollbarsGive Firefox a personal touch with customized scrollbars!AppearanceDark Background and Light TextMake every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.AppearanceDark ReaderDark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.Web Development + Appearance + OtherDecentraleyesProtects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.Privacy & SecurityDefault Bookmark FolderAllows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.Bookmarks + OtherDictionary AnywhereView definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.Search Tools + Language Support + OtherDisconnectMake the web faster, more private, and more secure.Web Development + Privacy & SecurityDon't track me GoogleRemoves the annoying link-conversion at Google Search / maps / ...Privacy & Security + Search ToolsDownload All ImagesEasily save images with a wide range of customization features, such as file size, dimensions, and image type.Web Development + Photos, Music & VideosDownload Manager (S3)View and manage downloads from a tidy status bar.Download ManagementDownThemAll!The Mass Downloader for your browserDownload ManagementDuckDuckGo Search & Tracker ProtectionActively protects your data in your current browserPrivacy & Security + Search ToolsEasy Youtube Video Downloader ExpressA simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.Download Management + Photos, Music & VideosEmojiIt permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact meSearch Tools + AppearanceEPUBReaderRead ePub files right in Firefox. No additional software needed!OtherFeedbroAdvanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.Feeds, News & Blogging + Photos, Music & VideosFlagfoxDisplays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...Web Development + Alerts & UpdatesForecastfoxInternational weather forecasts with easy and convenient settingsFeeds, News & Blogging + AppearanceFoxClocksFoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.Social & CommunicationFoxy GesturesMouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.Appearance + OtherFoxyProxy StandardFoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.Web Development + Privacy & SecurityFoxyTabCollection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload TimerPrivacy & Security + TabsGesturefyNavigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.Appearance + OtherGhostery – Privacy Ad BlockerThe best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.Web Development + Privacy & SecurityGIPHY for FirefoxBring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!Search ToolsHistory CleanerDeletes browsing history older than a specified number of days.Privacy & SecurityImage Max URLFinds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup featurePhotos, Music & VideosImage Search OptionsA customizable reverse image search tool that conveniently presents a variety of top image search engines.Search Tools + Photos, Music & VideosImagusWith a simple mouse-over you can enlarge images and display images/videos from links.Photos, Music & VideosImmersive Translate - Translate Website & PDFFree Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in BilingualAppearance + Language SupportLeechBlock NGLeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.OtherLink GopherExtracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.OtherLivemarksGet auto-updated RSS feed bookmark folders.Feeds, News & Blogging + Alerts & UpdatesMeasure-itDraw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.Web Development + AppearanceNew Tab OverrideNew Tab Override allows you to set the page that shows whenever you open a new tab.TabsNoScript Security SuiteThe best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.Privacy & Security + Alerts & UpdatesNotefox: websites notesTake notes on every website in a smart and simple way!Appearance + TabsOneTabOneTab - Too many tabs? Convert tabs to a list and reduce browser memoryBookmarks + TabsPhotoShowHover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.Photos, Music & Videos + Social & Communication + ShoppingPocketTube: Youtube Subscription ManagerThe best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.Feeds, News & Blogging + Social & CommunicationPopup 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 addressPrivacy & Security + TabsPopUpOFFRemoves and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.Privacy & Security + AppearancePort AuthorityBlocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.Web Development + Privacy & SecurityPower ThesaurusUse the power of synonyms by button in toolbar, right-click or by word selection on any page.Language Support + Social & CommunicationPrint Edit WEEdit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.AppearancePrivacy BadgerAutomatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.Privacy & SecurityRaindrop.ioAll-in-one bookmark managerFeeds, News & Blogging + Bookmarks + TabsRead Aloud: A Text to Speech Voice ReaderRead out loud the current web-page article with one click. Supports 40+ languages.Feeds, News & Blogging + Appearance + Language SupportReturn YouTube DislikeReturns ability to see dislike statistics on youtubeSocial & Communication + OtherRoboForm Password ManagerRoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automaticallyPrivacy & Security + Social & Communication + OtherScrollAnywhereScroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scrollSearch Tools + AppearanceSearch by ImageA powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.Search Tools + Photos, Music & Videos + ShoppingShow Video Controls for FirefoxAutomatically enables video controls when playing html webm videos.Feeds, News & Blogging + Photos, Music & Videos + Games & EntertainmentSideberyVertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and