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Firefox

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 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.

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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

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Thunderbird

Email software for Windows, Mac and Linux

Featured Articles

Website will not allow Firefox to display the page if another site has embedded it

Website will not allow Firefox to display the page if another site has embedded it

This page explains the error: "Website will not allow Firefox to display the page if another site has embedded it"

Update Firefox to the latest release

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.

Insecure connection password warning in Firefox

Insecure connection password warning in Firefox

Firefox issues an insecure password warning when a web page's login form is not secure and your information could be stolen.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

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