Easily download YouTube videos in quality up to 1080p.

Add-on for Firefox that allows you to more easily access your bookmarks via thumbnails.
Software that reduces the memory used by Firefox and resolves leaks.
Utility that displays detailed information about the history of various browsers.
Firefox browser version optimized for web developers, offering advanced tools for modifying, debugging, and testing web applications.
Browse restricted websites anonymously without using a proxy with this Firefox add-on.