Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
758,915 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
133,749 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
29,293 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.
112,518 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.
112,518 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,645 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
91,856 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
713,725 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,645 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
10,620 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!
4,140 users
