Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,208,900 users
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
153,307 users
Block Site
A customizable, password-protected website blocker and redirector.
70,831 users
Download Manager (S3)
View and manage downloads from a tidy status bar.
56,743 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
72,926 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
624,309 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.
101,145 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,766,324 users
Audio Equalizer
Stylish audio equalizer in toolbar popup.
54,745 users
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
480,005 users
ClearURLs
Removes tracking elements from URLs
512,917 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
72,926 users