Name License Type REP^[1] Available on Firefox for Android™ Description Categories Show Video Controls for Firefox GPL-3.0 Yes Yes Automatically enables video controls when playing html webm videos. Feeds, News & Blogging + Photos, Music & Videos + Games & Entertainment Sink It for Reddit All rights reserved Yes Yes Upgrade 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! Feeds, News & Blogging + Games & Entertainment PhotoShow All rights reserved Yes No Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you. Photos, Music & Videos + Social & Communication + Shopping GIPHY for Firefox MIT Yes Yes Bring 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 Tools Stylebot MIT Yes No Change the appearance of the web instantly Web Development + Appearance Clippings MPL-2.0 Yes No Save frequently-entered text for pasting later. Feeds, News & Blogging + Social & Communication Livemarks MIT Yes No Get auto-updated RSS feed bookmark folders. Feeds, News & Blogging + Alerts & Updates automaticDark - Time-Based Theme Changer MIT Yes No Automatically change Firefox's theme based on the time. Appearance Snap Links Plus MIT Yes No Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well. Feeds, News & Blogging + Appearance + Tabs Tabby - Window & Tab Manager MPL-2.0 Yes No Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click! Search Tools + Tabs Foxy Gestures GPL-3.0 Yes No Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user. Appearance + Other FoxyTab MPL-2.0 Yes No Collection 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 Timer Privacy & Security + Tabs PocketTube: Youtube Subscription Manager MPL-2.0 Yes No The 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 & Communication Zoom Page WE GPL-2.0 Yes No Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images. Appearance YouTube Search Fixer GPL-3.0 Yes No Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens. Search Tools + Appearance + Social & Communication Checker Plus for Gmail™ All rights reserved Yes No 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 & Updates Measure-it GPL-3.0 Yes No Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels. Web Development + Appearance Copy PlainText MPL-2.0 Yes No Copy Plain Text without any formatting Search Tools + Appearance + Social & Communication Webmail Ad Blocker MPL 1.1 Yes No Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail. Appearance + Social & Communication Chrome Mask MIT Yes Yes Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise. Web Development Dark Background and Light Text MPL-2.0 Yes Yes Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable. Appearance Emoji MPL-2.0 Yes Yes It 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 me Search Tools + Appearance Adaptive Tab Bar Color MIT Yes No Changes the color of Firefox theme to match the website’s appearance. Appearance + Tabs Print Edit WE GPL-2.0 Yes No Edit 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. Appearance Dictionary Anywhere GPL-3.0 Yes No View 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 + Other Tab Stash MPL-2.0 Yes No Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox. Bookmarks + Tabs Undo Close Tab GPL-3.0 Yes No Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu. Appearance + Tabs Feedbro All rights reserved Yes No Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source. Feeds, News & Blogging + Photos, Music & Videos TinEye Reverse Image Search MIT Yes No Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team. Search Tools + Photos, Music & Videos Turn Off the Lights for Firefox GPL-2.0 Yes Yes The 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. Appearance + Photos, Music & Videos Turbo Download Manager MPL-2.0 Yes No A download manager with the ability to pause and resume downloads, download remote files, and more. Download Management + Appearance + Games & Emtertainment Download Manager (S3) MPL-2.0 Yes Yes View and manage downloads from a tidy status bar. Download Management Clear Cache MPL-2.0 Yes Yes Advanced 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 Tools Sidebery MIT Yes No Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features. Bookmarks + Tabs Augmented Steam GPL-3.0 Yes No Augments your Steam Experience Shopping + Games & Entertainment Don't track me Google MIT Yes Yes Removes the annoying link-conversion at Google Search / maps / ... Privacy & Security + Search Tools Disconnect GPL-3.0 Yes No Make the web faster, more private, and more secure. Web Development + Privacy & Security Block Site MPL-2.0 Yes No A customizable, password-protected website blocker and redirector. Privacy & Security + Appearance + Tabs Popup Blocker (strict) MPL-2.0 Yes Yes 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 address Privacy & Security + Tabs Tabliss - New Tab GPL-3.0 Yes No A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions. Appearance + Photos, Music & Videos + Other + Tabs SingleFile GPL-3.0 Yes Yes Save an entire web page—including images and styling—as a single HTML file. Download Management + Privacy & Security SteamDB BSD 2-Clause Yes Yes Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats. Shopping + Games & Entertainment Gesturefy GPL-3.0 Yes No Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands. Appearance + Other User-Agent Switcher and Manager MPL-2.0 Yes No Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want. Web Development + Privacy & Security Flagfox All rights reserved Yes No Displays 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 & Updates Download All Images MPL-2.0 Yes No Easily save images with a wide range of customization features, such as file size, dimensions, and image type. Web Development + Photos, Music & Videos 'Improve YouTube!' (For YouTube & Video) GPL-3.0 Yes Yes Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist) Appearance + Photos, Music & Videos + Tabs Stylus GPL-3.0 Yes Yes Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets. Web Development + Appearance YouTube NonStop MIT Yes No Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music! Photos, Music & Videos + Games & Entertainment Tab Session Manager MPL-2.0 Yes No Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync. Appearance + Tabs YouTube High Definition GPL-3.0 Yes Yes YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more. Photos, Music & Videos + Other + Games & Entertainment DownThemAll! GPL-2.0 Yes No The Mass Downloader for your browser Download Management FoxyProxy Standard GPL-2.0 Yes Yes FoxyProxy 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 & Security Decentraleyes MPL-2.0 Yes Yes Protects 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 & Security NoScript Security Suite GPL-2.0 Yes Yes The 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 & Updates Simple Translate MPL-2.0 Yes No Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API. Language Support Grammar and Spell Checker - LanguageTool All rights reserved Yes No With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word. Language Support + Social & Communication AdBlocker for YouTube™ MPL-2.0 Yes No Remove all annoying ads from YouTube. Privacy & Security + Appearance + Photos, Music & Videos BetterTTV All rights reserved Yes No Enhances Twitch and YouTube with new features, emotes, and more. Social & Communication + Games & Entertainment SponsorBlock - Skip Sponsorships on YouTube GPL-3.0 Yes Yes Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Appearance + Games & Entertainment Ghostery – Privacy Ad Blocker MPL-2.0 Yes Yes The 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 & Security DuckDuckGoSearch & Tracker Protection Apache License 2.0 Yes No Actively protects your data in your current browser Privacy & Security + Search Tools Dark Reader MIT Yes Yes Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing. Web Development + Appearance + Other AdGuard AdBlocker GPL-3.0 Yes Yes Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites. Privacy & Security Video DownloadHelper All rights reserved Yes No Download videos from the web. Easy, smart, no tracking. Download Management EPUBReader All rights reserved Yes No Read ePub files right in Firefox. No additional software needed! Other Read Aloud: A Text to Speech Voice Reader GPL-3.0 Yes Yes Read out loud the current web-page article with one click. Supports 40+ languages. Feeds, News & Blogging + Appearance + Language Support CanvasBlocker MPL-2.0 Yes Yes Alters some JS APIs to prevent fingerprinting. Privacy & Security Swift Selection Search MIT Yes No Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included! Search Tools + Other Unhook: Remove YouTube Recommended Videos Comments All rights reserved Yes Yes Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions. Appearance + Photos, Music & Videos PopUpOFF Apache License 2.0 Yes No Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet. Privacy & Security + Appearance LeechBlock NG MPL-2.0 Yes Yes LeechBlock 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. Other Clear Browsing Data GPL-3.0 Yes No Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click. Web Development + Privacy & Security SoundFixer Unlicense Yes Yes Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!) Photos, Music & Videos + Other Audio Equalizer MPL-2.0 Yes No Stylish audio equalizer in toolbar popup. Appearance + Photos, Music & Videos + Tabs Easy Youtube Video Downloader Express MPL-2.0 Yes No A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats. Download Management + Photos, Music & Videos History Cleaner MIT Yes No Deletes browsing history older than a specified number of days. Privacy & Security TWP - Translate Web Pages MPL-2.0 Yes Yes Translate your page in real time using Google, Bing or Yandex. It is not necessary to open new tabs. Language Support RoboFormPassword Manager All rights reserved Yes No RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically Privacy & Security + Social & Communication + Other New Tab Override MPL-2.0 Yes No New Tab Override allows you to set the page that shows whenever you open a new tab. Tabs Auto Tab Discard MPL-2.0 Yes Yes Increase browser speed and reduce memory load and when you have numerous open tabs. Appearance + Tabs Return YouTube Dislike GPL-3.0 Yes No Returns ability to see dislike statistics on youtube Social & Communication + Other Image Search Options MPL 1.1 Yes No A customizable reverse image search tool that conveniently presents a variety of top image search engines. Search Tools + Photos, Music & Videos Web Archives GPL-3.0 Yes Yes View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is. Feeds, News & Blogging + Search Tools Link Gopher GPL-3.0 Yes No Extracts 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. Other Bitwarden Password Manager GPL-3.0 Yes Yes At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information. Privacy & Security Simple Tab Groups MPL-2.0 Yes No Create, modify, and quickly change tab groups Appearance + Other + Tabs Tomato Clock GPL-3.0 Yes Yes Tomato Clock is a simple browser extension that helps with online time management. Alerts & Updates + Other Default Bookmark Folder MIT Yes No Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon. Bookmarks + Other Turbo Download Manager MPL-2.0 Yes No A download manager with the ability to pause and resume downloads, download remote files, and more. Download Management + Appearance + Games & Entertainment Immersive Translate - Translate Website & PDF All rights reserved Yes Yes Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual Appearance + Language Support Raindrop.io MPL-2.0 Yes No All-in-one bookmark manager Feeds, News & Blogging + Bookmarks + Tabs ClearURLs GPL-3.0 Yes Yes Removes tracking elements from URLs Privacy & Security Tree Style Tab GPL-2.0 Yes No Show tabs like a tree. Appearance + Tabs uBlock Origin GPL-3.0 Yes Yes Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory. Privacy & Security Worldwide Radio MPL-2.0 Yes Yes Listen to live radio stations from around the world! Feeds, News & Blogging + Photos, Music & Videos + Games & Entertainment Weather Extension MPL-2.0 Yes No The best way to see the weather right in your browser. Easier than looking outside! Feeds, News & Blogging + Alerts & Updates Yomitan GPL-3.0 Yes Yes Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners. Appearance + Language Support Time Tracker - Web Habit Builder MIT Yes Yes Track time, analyze your habits and block addictive sites Other OneTab Apache License 2.0 Yes Yes OneTab - Too many tabs? Convert tabs to a list and reduce browser memory Bookmarks + Tabs To Google Translate MPL-2.0 Yes No Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language. Feeds, News & Blogging + Appearance + Language Support ScrollAnywhere All rights reserved Yes No Scroll 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-scroll Search Tools + Appearance FoxClocks All rights reserved Yes No FoxClocks 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 & Communication Privacy Badger GPL-3.0 Yes Yes Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you. Privacy & Security Consent-O-Matic MIT Yes Yes Automatic handling of GDPR consent forms Privacy & Security Tab Reloader (page auto refresh) MPL-2.0 Yes No An easy-to-use tab reloader with custom reloading time settings for individual tabs Web Development + Tabs Custom Scrollbars MPL-2.0 Yes No Give Firefox a personal touch with customized scrollbars! Appearance Tranquility Reader GPL-3.0 Yes No Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff. Feeds, News & Blogging + Appearance Port Authority GPL-2.0 Yes No Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts. Web Development + Privacy & Security Search by Image GPL-3.0 Yes Yes A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye. Search Tools + Photos, Music & Videos + Shopping Imagus All rights reserved Yes Yes With a simple mouse-over you can enlarge images and display images/videos from links. Photos, Music & Videos Control Panel for Twitter MIT Yes Yes Gives you more control over Twitter and adds missing features and UI improvements Social & Communication