Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Undo Close Tab
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.
45,486 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
97,287 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.
113,836 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
732,392 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,057 users
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
79,783 users
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder 2 in 1. Share screencast video instantly.
120,206 users
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
47,709 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,298 users