Explore powerful tools and features to customize Firefox and make the browser all your own.
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
Copy Plain Text without any formatting
Stylish audio equalizer in toolbar popup.
Remove 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.
A secure and free password manager for all of your devices.
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
Watch streaming media with friends.
Save a complete page (with stylesheets, images, etc.) as a single HTML file
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
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.