Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
711 427 users
Automatically learns to block invisible trackers.
927 049 users
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
4 635 855 users
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.
184 646 users