Explore powerful tools and features to customize Firefox and make the browser all your own.
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
A customizable, password-protected website blocker and redirector.
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Removes tracking elements from URLs
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
A secure and free password manager for all of your devices.
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.
Automatically learns to block invisible trackers.
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.