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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

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

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Thunderbird

Email software for Windows, Mac and Linux

Thunderbird for Android

Thunderbird for Android

Email app for Android smartphones and tablets

Featured Articles

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.

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.

Add-on Badges

Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.

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"

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