uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,757,085 users
Privacy Badger
Protects your privacy by blocking spying ads and invisible trackers.
425,960 users
HTTPS Everywhere
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.
509,924 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
113,015 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.
117,730 users
Trackerless Magnet URI
Rewrites all Magnet URI links so that they only contain the BitTorrent info hashes (BTIH). This forces BitTorrent clients to use decentralized (“trackerless”) peer-discovery such as DHT rather than server-assisted peer-discovery via central trackers.
613 users
CSS Exfil Protection
Guard your browser against CSS Exfil attacks! CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.
568 users
Redirect AMP to HTML
Automatically redirects AMP pages to the plain-old-web variant.
383 users