Mozilla Firefox is a fast, full-featured Web browser that makes browsing more efficient than ever before. Firefox includes pop-up blocking; a tab-browsing; integrated Google searching; simplified privacy controls that let you Cover Your Tracks more effectively; a streamlined browser window that shows you more of the page than any other browser; and a number of additional features that work with you to help you get the most out of your time online.
FASTER JavaScript
The TraceMonkey JavaScript engine brings screaming fast performance to Firefox 3.5.1. With JavaScript that's more than twice as fast as Firefox 3 and 10x faster than Firefox 2, you’ll be able to see the difference without breaking out your stopwatch.
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.
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.
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.