Get Help
Pick your product

Firefox
Web browser for Windows, Mac and Linux

Firefox for Android
Web browser for Android smartphones and tablets

Firefox for iOS
Firefox for iPhone, iPad and iPod touch devices

Mozilla VPN
VPN for Windows, Mac, Linux, Android, and iOS devices

Firefox Relay
Service that lets you create email masks to hide your real email address

Mozilla Monitor
Find out if your private information has been exposed in a known data breach

Discover and save stories for later

MDN Plus
MDN Plus provides a custom user experience for MDN supporters

Firefox Focus
Automatic privacy browser and content blocker

Firefox for Enterprise
Firefox Quantum for businesses

Thunderbird
Email software for Windows, Mac and Linux

Thunderbird for Android
Email app for Android smartphones and tablets
Featured Articles
Install Firefox on Linux
This article describes how to download and install Firefox on Linux.
Insecure connection password warning in Firefox
Firefox will show you a "connection is not secure" warning message when a website login page is insecure and information could be stolen.
Make Firefox your default browser on Windows
Learn how to make Firefox your default Web browser on Windows 10 and Windows 11.
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"

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