Mozilla, a global, nonprofit organization dedicated to making the Web better, is proud to release Mozilla Firefox 4, the newest version of the popular, free and open source Web browser. Firefox puts users in control of their Web experience, providing a streamlined user interface, fun new features, a boost in speed and support for modern Web technologies.Firefox 4 is available to download for Windows, Mac OS X and Linux in more than 80 languages. Firefox 4 will also be available on Android and Maemo devices soon.
Firefox 4 is the fastest Firefox yet. With dramatic speed and performance advancements across the board, Firefox is between two and six times faster than previous releases. Major enhancements to the JavaScript engine make everything from startup time to page load speed to graphics and JavaScript performance screaming fast in Firefox.
The latest version of Firefox introduces a sleek new look that lets Web content take center stage. With features like App Tabs and Panorama, Firefox makes it easier and more efficient to navigate the Web. Firefox delivers industry-leading privacy and security features like Do Not Track and Content Security Policy to give users control over their personal data and protect them online.
Firefox Sync gives users access to their Awesome Bar history, bookmarks, open tabs and passwords across computers and mobile devices. Firefox also offers hundreds of thousands of add-ons, extensions and Personas and a new Firefox Add-ons Manager to make it easy for users to manage and discover add-ons to customize their Web experience.
Firefox supports modern Web technologies, including HTML5. These technologies are the foundation for building amazing websites and Web applications. Go to Web O’ Wonder and check out the incredible online experiences developers can now create.
