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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.
Hubs
Collaborate and engage with each other through spatialized audio and with media from around the web.
Firefox Focus
Automatic privacy browser and content blocker
Firefox for Enterprise
Firefox Quantum for businesses
Thunderbird
Email software for Windows, Mac and Linux
Featured Articles
End of support for Firefox Reality
Mozilla has ended support for Firefox Reality.
How to contribute to the Knowledge Base
Learn how you can contribute to Mozilla Support by writing or improving support articles.
How do I set up Sync on my computer?
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.
Enhanced Tracking Protection in Firefox for Android
Control who's watching you on the Internet. This article explains how to turn on Tracking Protection in Firefox for Android.
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