Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Dictionary Anywhere
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!!!.
35,749 users
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.
1,040,428 users
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
269,796 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
97,871 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,367 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.
114,313 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
737,248 users
Clear Cache
Global cache cleanup and site data (cookies/storage) with time periods and notifications. Great for developers. F9 shortcut included!
92,534 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,537 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.
51,231 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
47,076 users