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Firefox
Web browser for Windows, Mac and Linux
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Firefox for Android
Web browser for Android smartphones and tablets
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Firefox for iOS
Firefox for iPhone, iPad and iPod touch devices
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Mozilla VPN
VPN for Windows, Mac, Linux, Android, and iOS devices
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Firefox Relay
Service that lets you create email masks to hide your real email address
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Mozilla Monitor
Find out if your private information has been exposed in a known data breach
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Discover and save stories for later
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MDN Plus
MDN Plus provides a custom user experience for MDN supporters
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Firefox Focus
Automatic privacy browser and content blocker
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Firefox for Enterprise
Firefox Quantum for businesses
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Thunderbird
Email software for Windows, Mac and Linux
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Thunderbird for Android
Email app for Android smartphones and tablets
Featured Articles
Update Firefox to the latest release
Firefox automatically updates itself by default, but you can always do a manual update. Learn how to update Firefox on Windows, Mac, or Linux.
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.
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.
Common Myths about Private Browsing
Learn more about common misconceptions about Private Browsing in Firefox.
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