Firefox: the browser, reloaded

Firefox 0.9 is the award winning preview of Mozilla's next generation browser. Firefox empowers you to browse faster, more safely, and more efficiently than with any other browser. Press Release.

Download Now!

for Windows, English (4.7MB)
Or, get Firefox on a CD from the Mozilla Store.

Why Use Firefox?

...nothing short of a revelatory experience.”
- Maximum PC
...a breath of fresh air... Microsoft should be worried.”
- FORBES
Popup Blocking
Stop annoying popup ads in their tracks with Firefox's built in popup blocker.
Tabbed Browsing
View more than one web page in a single window with this time saving feature. Open links in the background so that they're ready for viewing when you're ready to read them.
Smarter Search
Google Search is built right into the toolbar, and there are a plethora of other search tools including Keywords (type "dict <word>" in the Location Bar), and FastFind (start typing the first few letters of some text in the page and Firefox takes you there).
Privacy and Security
Built with your Security in mind, Firefox keeps your computer safe from malicious spyware by not loading harmful ActiveX controls. A comprehensive set of privacy tools keep your online activity your business.
Hassle-Free Downloading
Files you download are automatically saved to your Desktop so they're easy to find. Fewer prompts mean files download quicker.
Fits Like a Glove
Simple and intuitive, yet fully featured, Firefox has all the functions you're used to - Bookmarks, History, Full Screen, Text Zooming to make pages with small text easier to read, etc.
S, M, L or XL—You Choose
Firefox is the most customizable browser on the planet. Customize your toolbars to add additional buttons, install new Extensions that add new features, add new Themes to browse with style, and use the adaptive search system to allow you to search an infinite number of engines. Firefox is as big or small as you want.
Setup's a Snap
At only 4.7MB (Windows), Firefox only takes minutes to download over a fast connection. The installer gets you set up quickly, and the new Easy Transition system imports all of your settings - Favorites, passwords and other data from Internet Explorer and other browsers - so you can start surfing right away.
A Developer's Best Friend
Firefox comes with a standard set of developer tools including a powerful JavaScript and CSS error/warning console, and an optional Document Inspector that gives unheard of insight into how your pages work.
Read Mail—Not Spam
Thunderbird is the perfect complement to Firefox. More information
Firefox Shirt

Support Our Work

You can support our work on Firefox and other projects and get some sweet stuff in return. Make a donation or buy a Firefox shirt at the Mozilla Store.

Resources and Links

New in Firefox 0.9

  • Extension Manager
  • Theme Manager
  • Data Migration/Import
  • New Visual Theme (Windows)(Linux)
  • Better Bookmarks
  • Better Search
  • Smaller Download
  • Online Help