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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.
![Firefox Focus](https://cdn.statically.io/img/assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2021-10-13-03-33-38-93cfbb.png)
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
Canary domain - use-application-dns.net
Network administrators may configure their networks to modify DNS requests for the following special-purpose domain, called a ''canary domain''.
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.
How to install Firefox on Windows
This article describes how to download and install Firefox on Windows.
Quick fixes if your Firefox slows down
The article covers the steps you can take to make Firefox run faster.
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