Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
FoxyTab
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
19,437 users
YouTube High Definition
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.
156,701 users
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
50,453 users
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
79,096 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
104,931 users
LeechBlock NG
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.
109,854 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,632 users
SponsorBlock - Skip Sponsorships on YouTube
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. Other browsers: https://sponsor.ajay.app
734,139 users
Turn Off the Lights for Firefox
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.
67,790 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
37,880 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
52,263 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
5,494 users