Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
30,913 users
Image Max URL
Finds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup feature
4,592 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.
111,469 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
700,158 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
89,540 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
5,322 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
5,920 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
5,322 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
28,670 users
