Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
19,967 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
61,982 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,859,086 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
105,220 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.
111,209 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,974 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
739,557 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.
64,301 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
36,913 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
51,519 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
5,454 users