Upgrade to a Better Browser
Make the switch to Firefox – the faster, safer, smarter way to browse the Web.
Firefox 3.5 downloads Learn More
Make the switch to Firefox – the faster, safer, smarter way to browse the Web.
Firefox 3.5 downloads Learn More
Things move quickly online, and we’ve beefed up the engine that runs Firefox to make sure you can keep up: Firefox 3.5 is more than twice as fast as Firefox 3, and ten times as fast as Firefox 2.* As a result, Web applications like email, photo sites and your favorite social networks will feel snappier and more responsive.
Results of a SunSpider test on a Windows XP machine
View all performance features.
Learn more about Firefox 3.5’s performance upgrades.
* Based on the results of a SunSpider test of JavaScript performance on a Windows XP machine.
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.
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.
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.
We’ve told you about what makes Firefox great, but how do we compare against Internet Explorer? Check out our handy browser comparison chart to see for yourself.
Compatible with modern Web pages | ||
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A rapid response process to address online security threats | ||
Thousands of free ways to personalize your online experience | ||
Superior speed, stability and performance | ||
Powered by a global community of volunteers with a mission to improve the Web |
Get handy hints for beginning, intermediate or advanced Firefox users.
Learn Some New Secrets