Privacy & Security
Adblock Plus Featured
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
QuickJava Requires Restart Featured
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.
Private Tab Featured
Adds private tabs.
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
Proxy Switcher Featured
Access to the complete Firefox's proxy settings right from a toolbar panel
Clean Uninstall Featured
Uninstall an extension and clean its fingerprints (such as stored preferences)
Lightbeam for Firefox Featured
Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.
Panel View for Google™ Keep Featured
A handy and reliable extension designed to store your notes, lists and photos.
uBlock Origin Featured
Finally, an efficient blocker. Easy on CPU and memory.
Privacy Settings Featured
Alter Firefox's built-in privacy settings easily with a toolbar panel.
Disconnect for Facebook™ Featured
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
FireSSH Requires Restart Featured
AdBlocker Ultimate Featured
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
Ghostery Compatible with Firefox 57+ Featured
Increase your browsing privacy, protection, and speed.
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Bloody Vikings! Featured
HTTPS Everywhere Requires Restart Featured
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.
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.