Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
147,616 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
33,602 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
39,954 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
17,751 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
109,421 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.
105,232 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
735,435 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
30,624 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
18,357 users
