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Firefox
Web browser for Windows, Mac and Linux
Firefox for Android
Web browser for Android smartphones and tablets
Firefox for iOS
Firefox for iPhone, iPad and iPod touch devices
Firefox for Enterprise
Firefox Quantum for businesses
MDN Plus
MDN Plus provides a custom user experience for MDN supporters.
Firefox Reality
Web browser for virtual reality headsets
Mozilla VPN
VPN for Windows 10, Mac, Linux, Android, and iOS devices
Firefox Private Network
Browse securely on public Wi-Fi using a Firefox add-on.
Firefox Relay
Service that lets you create email masks to hide your real email address
Firefox ScreenshotGo
Screenshot app for mobile
Hubs
Virtual 3D meeting spaces for collaborating with friends, family, and colleagues on your browser or VR headset
Thunderbird
Email software for Windows, Mac and Linux
Firefox Focus
Automatic privacy browser and content blocker
Featured Articles
End of support for Firefox Reality
Mozilla is ending support for Firefox Reality.
Secure connection failed and Firefox did not connect
If a website requires a secure connection that cannot be established, Firefox will not connect and will show you an error page. Learn more.
How to change your default browser in Windows
Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.
Captive portal detection
Page that describes how Firefox detects captive portal networks.
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