Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Clear Cache
Clear Firefox cache and selected browsing data from the toolbar, context menu, or F9 shortcut. Choose what to clear, pick a time range, and optionally reload the active tab.
77,534 users
Tomato Clock - A Simple Pomodoro Timer
A simple browser extension for managing your productivity
33,393 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
57,077 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
19,380 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.
111,559 users
YouTube Tweaks
A collection of tweaks for hiding Shorts, disabling 'Video paused. Continue watching?', changing the number of videos per row and more!
15,178 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
789,686 users
Weather Extension
Weather at a glance in Firefox: toolbar temperature, hourly and daily forecasts, radar, eight themes, and optional Weather Pro features.
25,255 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
45,312 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
404,999 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!
13,746 users