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Firefox

Firefox

Web browser for Windows, Mac and Linux

Firefox for Android

Firefox for Android

Web browser for Android smartphones and tablets

Firefox for iOS

Firefox for iOS

Firefox for iPhone, iPad and iPod touch devices

Mozilla VPN

Mozilla VPN

VPN for Windows 10, Mac, Linux, Android, and iOS devices

Firefox Relay

Firefox Relay

Service that lets you create email masks to hide your real email address

Mozilla Monitor

Mozilla Monitor

Find out if your private information has been exposed in a known data breach

Pocket

Pocket

Discover and save stories for later

MDN Plus

MDN Plus

MDN Plus provides a custom user experience for MDN supporters

Firefox Focus

Firefox Focus

Automatic privacy browser and content blocker

Firefox for Enterprise

Firefox for Enterprise

Firefox Quantum for businesses

Thunderbird

Thunderbird

Email software for Windows, Mac and Linux

Thunderbird for Android

Thunderbird for Android

Email app for Android smartphones and tablets

Featured Articles

Get community support

Get community support

How to get community support for Mozilla products.

Secure connection failed and Firefox did not connect

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.

End of support for Firefox Reality

End of support for Firefox Reality

Mozilla has ended support for Firefox Reality.

Firefox options, preferences and settings

Firefox options, preferences and settings

Settings panels give you access to Firefox settings. This article describes what types of settings are available in each panel.

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