Mozilla Firefox 1.0

Rediscover the Web

Mozilla Firefox 1.0 is Mozilla's award winning next generation browser. Firefox empowers you to browse faster, more safely, and more efficiently than with any other browser.

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Spread Firefox

You can help us spread Firefox by donating time, money or resources. Visit SpreadFirefox.com now!

Firefox Features

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. Find out more…

Popup Blocking

Stop annoying popup ads in their tracks with Firefox's built in popup blocker.

Integrated 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 the new find toolbar (which finds as you type and eliminates the annoying window that always seems to be in your way). Find out more…

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.

Live Bookmarks

RSS integration lets you read the latest news headlines and read updates to your favourite sites that are syndicated. Find out more…

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 4.5MB (Windows), Firefox takes just a few minutes to download over a slow connection and seconds 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 detailed insight about your pages.

Read Mail—Not Spam

Thunderbird is the perfect complement to Firefox.

Technical Support

Need support? Visit our support page to see how the community and Mozilla Europe can help you. You may also visit the Firefox Specific Forums or the Technical Support Forums.

For frequently asked questions, tips & tricks, downloadable themes and extensions, visit Firefox Help.

For Developers

The development pages cover source code, developer resources, roadmap, etc.

Mozilla Firefox
…nothing short of a revelatory experience.
— Maximum PC
…a breath of fresh air… Microsoft should be worried.
— FORBES

Resources

Mozilla Firefox Help
Documentation, information, tips, etc.
FAQ
Answers to common questions for users of Mozilla Firefox.
Extensions
Make your browser as powerful as you want by downloading extensions.
Themes
Personalise Mozilla Firefox with a large collection of downloadable themes.
Plug-ins
Download the latest plug-ins.
Release Notes
Find what's new in this release.
Introduction to Firefox
Article series for beginner users.

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System requirements

  • Red Hat Linux 7.0 and higher
  • Mac OS X 10.1.x, 10.2.x and higher
  • Windows 98 and higher
  • More information…