The Firefox browser is created by Mozilla, a non-profit organization whose mission is to promote openness, innovation and opportunity on the Web. Universal access, cutting edge technology, high performance, personalization, security, privacy and ...

Mozilla's official site for add-ons to Mozilla Firefox. Add-ons let you add new features and change the way your browser works. All publicly listed add-ons are reviewed by a team of editors before being released.

Sync seamlessly connects your desktop and mobile Firefoxes, so you can access your browsing history, passwords, bookmarks and even open tabs no matter which device you use.