Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
DownThemAll!
The Mass Downloader for your browser
212,919 users
Feedbro
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
47,141 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
33,963 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
11,788 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.
68,953 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
445,247 users
Privacy Badger
Automatically learns to block invisible trackers.
1,224,571 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.
264,227 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
9,717 users
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
38,438 users
Simple Tab Groups
Create, modify, and quickly change tab groups
83,214 users
Clippings
Save frequently-entered text for pasting later.
14,281 users