Extensions
Explore powerful tools and features to customise Firefox and make the browser all your own.
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
163,001 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,165,237 users
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
58,021 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.
69,254 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.
69,254 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
438,363 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.
265,416 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
75,172 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
209,818 users
Stylus
Redesign your favourite websites with Stylus, an actively developed and community driven user-style manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalised CSS stylesheets.
111,285 users
