Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Webmail Ad Blocker
Block ads on the right side of the screen when using Gmail, Yahoo Mail, Hotmail and Outlook.com which expand your message space
27,627 users
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder 2 in 1. Share screencast video instantly.
126,076 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
97,366 users
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
41,285 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
19,837 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.
112,114 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,886,019 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
806,759 users
Weather Extension
Weather at a glance in Firefox: toolbar temperature, hourly and daily forecasts, radar, eight themes, and optional Weather Pro features.
36,126 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!
18,506 users
YouTube Tweaks
A collection of tweaks for hiding Shorts, disabling 'Video paused. Continue watching?', changing the number of videos per row and more!
17,553 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
49,385 users