Search Support

Get Help

Pick your product

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

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.

Back up and transfer your Firefox data to a new device

Back up and transfer your Firefox data to a new device

Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

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.

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.

Illustration of community

Join Our Community

Grow and share your expertise with others. Answer questions and improve our knowledge base.

Learn More