Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
54,376 users
Tomato Clock - A Simple Pomodoro Timer
A simple browser extension for managing your productivity
31,764 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
105,262 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.
109,972 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,450 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
736,228 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
58,704 users
Image Max URL
Finds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup feature
23,249 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
71,319 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
39,036 users