Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1 123 039 users
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
4 756 801 users
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
511 231 users
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.
354 691 users
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
618 525 users
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
92 508 users
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.
46 661 users
Tomato Clock is a simple browser extension that helps with online time management.
43 323 users
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
41 474 users
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
56 485 users