Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.

Firefox Relay: Protect Your Email Privacy with Unique Aliases
'Firefox Relay' is a Firefox add-on designed to safeguard users' email privacy. It generates unique aliases to use while signing up for accounts or newsletters, forwarding the emails to the user's real inbox. Users can block or delete aliases that attract spam or unwanted emails. With the premium version, users can create unlimited aliases, send replies and create a custom domain.
Add-on stats
Manifest V2
By: Firefox
Rating: 4.17
10 new ratings
(2,052)
Weekly download count: 2,743
Firefox on Android: Yes
Permissions:
- <all_urls>
- storage
- menus
- contextMenus
Size: 1.27M
URLs: Website
Full description: See detailed description
Ranking
# 77
User reviews
Pros
- Indispensable for privacy and security
- Works great for managing email aliases
- Excellent user satisfaction
- User-friendly design
Cons
- Difficulties in managing aliases, including changing and deleting them
- Popup annoyance while typing emails
- Complexity for older users or those less tech-savvy
Most mentioned
- Issues with managing aliases
- Overall satisfaction with functionality
- Requests for disabling popups
User reviews
by Firefox user 18874461, 2025-03-10
Pas super pratique à gérer, surtout pour changer d'alias ... ou en supprimer !
by Kial Mi, 2025-03-09
by Firefox user 18872404, 2025-03-09
Add-on safety
Risk impact
Firefox Relay requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Firefox Relay. Use it at your own risk.
Risk likelihood analysis details
- Low This extension was updated more than 6 months ago. Older versions are more likely to be stable and safe.
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