Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,034,512 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50,079 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
90,972 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
44,874 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
8,116 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.
112,014 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
91,075 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
708,306 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
8,116 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
9,012 users
Notefox: websites notes
Take notes on every website in a smart and simple way!
1,582 users
Sink It for Reddit
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!
3,751 users