Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
98,928 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
76,316 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
11,299 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
97,452 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.
112,616 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
730,448 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
80,372 users
Tab Stash
Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.
36,824 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
31,810 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
46,279 users