Extensions
Explore powerful tools and features to customise Firefox and make the browser all your own.
User-Agent Switcher and Manager
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.
87,340 users
EPUBReader
Read ePub files right in Firefox. No additional software needed!
127,739 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
78,428 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
31,040 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
86,304 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.
108,490 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
679,576 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,814,949 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
1,295 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
1,545 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
48,596 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
2,220 users