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 10, 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
Firefox does not work - Common fixes to get you back up and running
Find solutions to Firefox issues like crashing, not starting, slowness and websites not loading.
Manage tabs in Firefox for Android
Learn how to manage your tabs in the latest version of Firefox for Android.
Use bookmark folders to organize your bookmarks
Firefox allows you to group your bookmarks into folders to organize them by topic or task, etc. This article explains how to organize your bookmarks this way.
Quick fixes if your Firefox slows down
The article covers the steps you can take to make Firefox run faster.
Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.