Firefox is a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy.
Our Privacy Notices describe the data our products and services receive, share, and use, as well as choices available to you.
Need help with Firefox? Get it on our support site I’m having problems with using Firefox I want to donate to Mozilla My company is interested in partnering with Firefox I have questions about using Mozilla’s trademarks I’d like to report misuse of a Mozilla trademark I want to hold an event in a...
Mozilla makes browsers, apps, code and tools that put people before profit. Our mission: Keep the internet open and accessible to all.
Your talents are needed for a better internet Mozilla is a non-profit organization working to ensure the internet is open and welcoming to all. And we need your help. By joining our community, you can help drive innovation, enhance accountability and trust and make the internet a better place for...
The official Mozilla site for downloading Firefox extensions and themes. Add new features and change the browser’s appearance to customize your web experience.
Matrix is an open, lightweight protocol for decentralized, real-time communication, and Mozilla's preferred open discussion platform. Community Participation at Mozilla The heart of Mozilla is people. We put people first and do our best to recognize, appreciate and respect the diversity of our...
Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.
Whether you’re new to extension development, polishing up or porting an existing extension or theme, or creating a custom enterprise solution, we’ve got the resources to support you. Learn how to make an extension Ready to submit or manage your extension? Sign in to the Developer Hub to submit or...
Be Smart. Shop Safe. How creepy is that smart speaker, that fitness tracker, those wireless headphones? We created this guide to help you shop for safe, secure connected products.