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Firefox

Firefox

Web browser for Windows, Mac and Linux

Firefox for Android

Firefox for Android

Web browser for Android smartphones and tablets

Firefox for iOS

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.

Hubs

Hubs

Collaborate and engage with each other through spatialized audio and with media from around the web.

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

Featured Articles

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.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Secure connection failed and Firefox did not connect

Secure connection failed and Firefox did not connect

If a website requires a secure connection that cannot be established, Firefox will not connect to protect you and will show you an error page. Learn more.

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.

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