Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
48,540 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
125,647 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
54,653 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
17,948 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
102,515 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.
112,432 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
740,751 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
17,948 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
19,719 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
111,848 users
