Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
30,799 users
Print Edit WE
Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
36,648 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
103,232 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
19,222 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.
113,030 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
744,276 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
19,222 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
20,890 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.
47,373 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
30,799 users