Privacy & Security
Tamper Data Requires Restart Featured
Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...
Master Password+ Requires Restart Featured
Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows
AdBlocker for YouTube™ Featured
AdBlocker for YouTube™ removes all annoying Ads from YouTube
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.
Increase your browsing privacy, protection, and speed.
BetterPrivacy-signed Requires Restart Featured
Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...
KeeFox Requires Restart Featured
Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.
TinyURL Generator Requires Restart Featured
An extension to silently generate a TinyURL for your current page at the click of a button. Also shows you where TinyURLs on the web will take you.
QuickJava Requires Restart Featured
NoScript Security Suite Requires Restart Featured
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.
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).
Proxy Switcher Featured
Access to the complete Firefox's proxy settings right from a toolbar panel
Google search link fix Featured
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.
Disconnect Requires Restart Featured
Make the web faster, more private, and more secure.
FireSSH Requires Restart Featured
Google Privacy Requires Restart Featured
Make some popular websites respect your privacy settings.
Please see the known issues below!
uBlock Origin Featured
Finally, an efficient blocker. Easy on CPU and memory.
Smart HTTPS Featured
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.