Block distracting websites when you are browsing the web. You can list websites that you don't want to visit in the settings. You can pause or turn off the blocker quickly. Completely open source.
6 904 users
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
83 417 users
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
62 057 users
Prevent tabs opened by a hyperlink from hijacking the previous tab by adding the rel=noopener attribute to all hyperlinks (excluding same-domain hyperlinks).
11 056 users
Automatically learns to block invisible trackers.
818 798 users
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
841 389 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.
225 604 users
Finally, an efficient blocker. Easy on CPU and memory.
5 073 662 users
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2 718 042 users
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 other web security exploits.
1 573 294 users
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
892 094 users
A secure and free password manager for all of your devices.
151 137 users
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
63 692 users
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
86 657 users