Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
41,610 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
53,801 users
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.
75,684 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
18,867 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.
109,907 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
775,746 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,842,138 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21,282 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
380,665 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
43,178 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
155,107 users