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The Mozilla Corporation (stylized as moz://a) is a wholly owned subsidiary of the Mozilla Foundation that coordinates and integrates the development of Internet-related applications such as the Firefox web browser, by a global community of open-source developers, some of whom are employed by the corporation itself. The corporation also ...
Get Firefox for Windows, Mac or Linux. Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.
Mozilla (stylized as moz://a) is a free software community founded in 1998 by members of Netscape. The Mozilla community uses, develops, spreads and supports Mozilla products, thereby promoting exclusively free software and open standards, with only minor exceptions. 
What is the Mozilla Maintenance Service? Firefox and Thunderbird install Mozilla Maintenance Service to allow seamless background updates. Learn how it works and how to disable or remove it. How do I tell if I have the 32-bit or 64-bit Firefox? Not sure whether you're running 32-bit or 64-bit Firefox on your Windows or Linux computer?
This article explains how to install Firefox on Windows, either with a simple online installer from Mozilla, or from the Microsoft Store. If you need a full, offline installer with custom options, see Custom installation of Firefox on Windows .
Spotlight All About Common Voice Mozilla’s Common Voice Dataset Reaches 100 Languages Mozilla Announcing ‘Our Voices,’ a New Competition by Mozilla to Fight Bias in Voice Technology Mozilla Lessons from Building for Kinyarwanda on Common Voice Kathleen Siminyu Take action Tell YouTube: Give users real control over their video recommendations!
Along with our communities of 20,000+ contributors and collaborators, Mozilla Corporation’s staff designs, builds, and distributes software that allows people to enjoy the internet on their own ...
1981 Landings Drive Building K Mountain View, CA 94043-0801 USA See a street map of our location for driving directions. Once there, see this satellite image to locate Building K within the complex. Technical Support For technical questions about Firefox, Thunderbird or other Mozilla projects, please visit our support area. Feedback Suggestions
Founded as a community open source project in 1998, Mozilla currently consists of two organizations: the 501 (c)3 Mozilla Foundation, which leads our movement building work; and its wholly owned subsidiary, the Mozilla Corporation, which leads our market-based work.