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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

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

Learn how to connect with the Mozilla community to ask questions and find solutions from fellow users.

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"

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

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