Firefox
Firefox is a free and open-source web browser developed by Mozilla, available for Windows, macOS, Linux, Android, and iOS. It features strong privacy protections, a customizable interface, and regular updates. The latest stable version is Firefox 138.
Official download sources
Each source below has been validated against an approved publisher domain and editorially approved. Links route through a safe internal redirect.
Platforms: Android, iOS, Linux, macOS, Windows
Firefox compared
A factual, side-by-side overview based only on verified data.
| Attribute | Firefox This page | Tor Browser | Brave | UC Browser |
|---|---|---|---|---|
| Developer | Mozilla | Tor Project | Brave Software | UCWeb |
| Category | Browsers | Browsers | Browsers | Browsers |
| Platforms | Android, iOS, Linux, macOS, Windows | Android, Linux, macOS, Windows | Linux, macOS, Windows | Windows |
| Official sources | 2 | 1 | 1 | 1 |
| Verified official | ✓ | ✓ | ✓ | ✓ |
Alternatives to Firefox
Verified, official downloads in the same category.
Frequently asked questions
Where can I download Firefox safely?
Use the official sources listed on this page. Each link is validated against an approved publisher domain and routes through a safe internal redirect — no third-party or bundled installers.
Which platforms does Firefox support?
Firefox is available for Android, iOS, Linux, macOS and Windows.
Is this the official Firefox download?
Yes. Every source shown here is validated against the publisher’s approved domain and editorially reviewed before being published.
Who develops Firefox?
Firefox is developed by Mozilla.
What are the best alternatives to Firefox?
Popular alternatives include Tor Browser, Google Chrome and Brave. See the comparison above for a side-by-side overview.
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