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Firefox
Web browser for Windows, Mac and Linux
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Firefox for Android
Web browser for Android smartphones and tablets
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Firefox for iOS
Firefox for iPhone, iPad and iPod touch devices
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Mozilla VPN
VPN for Windows 10, Mac, Linux, Android, and iOS devices
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Firefox Relay
Service that lets you create email masks to hide your real email address
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Mozilla Monitor
Find out if your private information has been exposed in a known data breach.
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Discover and save stories for later.
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MDN Plus
MDN Plus provides a custom user experience for MDN supporters.
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Firefox Focus
Automatic privacy browser and content blocker
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Firefox for Enterprise
Firefox Quantum for businesses
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Thunderbird
Email software for Windows, Mac and Linux
Featured Articles
Firefox uses too much memory or CPU resources - How to fix
Learn how to reduce Firefox's resource usage for a faster, more stable browsing experience.
Sync bookmarks, tabs, history and passwords on Android
Sync bookmarks, history, open tabs and logins on your Android devices. Learn how to sign in to your Mozilla account.
How to install Firefox on Windows
This article describes how to download and install Firefox on Windows.
Search with the Firefox address bar
Learn how the address bar makes it easy to search the Web, find bookmarks or pages you visited before, use search engines and more.
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