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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.
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
Compact mode workaround in Firefox
Learn about a workaround to activate compact mode, if you need to. This feature isn't supported and we still recommend using normal mode.
Get started with Firefox - An overview of the main features
Learn about the basic features of Firefox (bookmarks, tabs, search, add-ons, and more) and find links to more articles to explore.
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.
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