Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Livemarks
Get auto-updated RSS feed bookmark folders.
13,167 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
8,077,912 users
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.
107,286 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
74,081 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.
93,957 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
599,895 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,578,004 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
67,878 users
Audio Equalizer
Stylish audio equalizer in toolbar popup.
41,292 users
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.
107,286 users
Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
47,752 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,112,879 users