# Firefox (open-source web browser)

> Firefox is a free, open-source web browser for Windows, macOS and Linux. The official repository of Mozilla's Firefox web browser. It has 13,384 GitHub stars and is released under the MPL-2.0 license, and people use it instead of Google Chrome and Microsoft Edge.

Firefox is a fast, reliable and private web browser from the non-profit Mozilla organization. To learn how to contribute to Firefox read the Firefox Contributors' Quick Reference document.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/mozilla-firefox/firefox |
| Platforms | Linux, macOS, Windows |
| Interface | desktop GUI |
| GitHub stars | 13,384 |
| License | MPL-2.0 (open source) |
| Replaces | Google Chrome, Microsoft Edge |
| Language | JavaScript |
| Website | https://www.firefox.com/ |
| Official | yes (published by the project behind the app) |
| Category | Browsers |
| Latest release | none on GitHub |
| Last commit | Oct 8, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/mozilla-firefox/firefox/releases) or website, or build it from source by following the README.

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