Starting in Firefox for Android version 150, you can mask your real email address directly in the browser. This helps you stay private when signing up for websites, especially ones you don't fully trust.
Previously, this feature was only available through an extension. Now, it’s built into Firefox for Android. In this initial phase, it is available to users who are signed in to Firefox with a Mozilla account that already has Firefox Relay enabled.
If you have not used Relay before, sign in to Firefox on Android from , then visit relay.firefox.com and sign in with the same Mozilla account to activate Relay. Once enabled, you can use email masking directly in the browser.
This article will show you how to mask your email in Firefox for Android.
Table of Contents
Enable email masking suggestions on your Android device
Firefox automatically suggests masking your email when you tap an email field. This feature is enabled by default for users who are signed in to Firefox with a Mozilla account that has Firefox Relay enabled. If you are not signed in with a Relay-enabled account, you will not see the email mask option.
- Tap the menu icon (three dots) in Firefox.
- Tap .
- Scroll down and tap .
- Toggle to turn the feature on.
Use email masking when signing up
Once enabled, Firefox will offer to use an email mask when it detects a sign-up field on a webpage.
- Tap on the email field on a sign-up form.
- Select from the suggestion.
- Firefox will generate a masked email to protect your real address.
Frequently related questions
Who can use email masking in Firefox for Android?
In the initial phase, email masking is available to users who are signed in to Firefox for Android with a Mozilla account that already has Firefox Relay enabled. Make sure you are using Firefox for Android version 150 or later and are signed in to your account to access this feature.
How many email masks can I use for free?
You can use up to 50 free email masks. If you reach the limit, Firefox automatically selects one of your existing masks for you and shows a message to let you know. You can manage your masks at any time by going to > > .
Can I view or manage my email masks?
Yes. To manage or delete your existing masks, go to > , then select . This opens your Firefox Relay dashboard in a new tab, where you can view and manage your masks.
Do I need a Mozilla account to use email masking?
Yes, you'll need to be signed in to Firefox with a Mozilla account to use and create email masks.
Can I use email masking in private browsing mode?
Yes, email masking works in private browsing mode.
Will email masks work across all websites?
Email masks work on most standard sign-up forms. If Firefox doesn’t recognize a field, you may not see the suggestion automatically.