Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
24,401 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
162,411 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
19,524 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.
111,483 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
793,594 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,867,089 users
Weather Extension
Weather at a glance in Firefox: toolbar temperature, hourly and daily forecasts, radar, eight themes, and optional Weather Pro features.
28,837 users
Media Downloader Unleashed!!
Detect and download 🎬 videos, 🎥 streams, 🎵 audio and other files from your browser! Compatible with .m3u8, .mpd, .mp4, .mp3, .ogg and many more formats and websites! Completely free, open-source!
14,833 users
YouTube Tweaks
A collection of tweaks for hiding Shorts, disabling 'Video paused. Continue watching?', changing the number of videos per row and more!
15,708 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
417,442 users