More Ways to Keep You Safe

Keeping you safe while you surf is our top priority, which is why we’ve upgraded our anti-phishing and anti-malware technologies and have added private browsing and “forget this site” options to ensure your privacy.

Plus, our open source security process means we have experts around the globe working around the clock to keep you (and your personal information) safe.

View all security features.
Learn more about Firefox security.

One Size Doesn’t Fit All

Everybody uses the Web differently, so why should your browser be exactly like the next guy’s? Whether you’re into chatting, cooking or coding, Firefox has more than 6,000 add-ons to help you customize it to fit your exact needs.

View all customization features.
Learn more about Firefox customization.

Advancing the Web

We’ve been working hard to make sure Firefox 3.5 brings you the best of the modern web. With new features like private browsing, tear-off tabs and enhancements to the Awesome Bar, plus major performance enhancements, you’ll enjoy life on the cutting edge.

View the top new features.

Making the Web Better

We believe the Internet is a public resource that must remain open and accessible to all. As public benefit software, every Firefox download supports the Mozilla mission of encouraging choice, innovation and opportunity on the Web.

Learn more about the Mozilla Foundation.