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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

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

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

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

Discover and save stories for later

MDN Plus
MDN Plus provides a custom user experience for MDN supporters

Firefox Focus
Automatic privacy browser and content blocker

Firefox for Enterprise
Firefox Quantum for businesses

Thunderbird
Email software for Windows, Mac and Linux

Thunderbird for Android
Email app for Android smartphones and tablets
Featured Articles
Insecure connection password warning in Firefox
Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.
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.
Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
Install Firefox on Linux
This article describes how to download and install Firefox on Linux.

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