Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
25,861 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27,321 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,876,513 users
DownThemAll!
The Mass Downloader for your browser
211,725 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.
69,152 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
441,957 users
Privacy Badger
Automatically learns to block invisible trackers.
1,230,963 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
265,224 users
Stylebot
Change the appearance of the web instantly
12,167 users
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
663,439 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
33,511 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported
241,497 users