Explore powerful tools and features to customize Firefox and make the browser all your own.
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
Get rid of cookie warnings from almost all websites!
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
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.
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
Tabs tree and bookmarks in sidebar with advanced containers configuration.