Explore powerful tools and features to customize Firefox and make the browser all your own.
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
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.
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.
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
The best way to see the weather right in your browser. Easier than looking outside!
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
Remove tracking elements from URLs.
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.