Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,028,200 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
21,290 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
261,634 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
11,661 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
85,649 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.
108,795 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
677,468 users
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
28,193 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
11,661 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
43,513 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
86,063 users
