Security & Privacy
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.
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
Watch age restricted YouTube videos without signing in.
An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content
Shows detailed information about your IP and location.
Blocks access to websites with adult content. The easiest way to protect your children and your family against porn.
Parental control app that denies access to porn sites. It uses a semantic parser that scans and blocks all kind of adult content.
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
uBlock Origin Featured
Finally, an efficient blocker. Easy on CPU and memory.
Simply toggle between three different popup blocking modes: allow all, allow requested or block all. Now with tracking protection.
Preventing to open content farm by mistake
Bluhell Firewall Featured
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Get rid of annoying cookie warnings from almost all 'infected' websites!
한국 웹의 광고를 효율적으로 차단합니다.
Prevents YouTube HTML5 and Flash players from auto-buffering (auto-playing) videos
Prevent boring messages like "disable your ad-blocker and refresh page to continue"
Block ads and manage proxy.
Load preferences from a file into Firefox. Useful for mobile devices that don't allow access to the Firefox profile directory.