Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
136,348 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
7,309 users
Tomato Clock - A Simple Pomodoro Timer
A simple browser extension for managing your productivity
33,392 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
20,066 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.
112,547 users
YouTube Tweaks
A collection of tweaks for hiding Shorts, disabling 'Video paused. Continue watching?', changing the number of videos per row and more!
18,284 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,894,012 users
uBlock Origin Lite
An efficient content blocker. Blocks ads, trackers, miners, and more immediately upon installation.
4,478 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!
19,804 users
