Firefox Relay

Firefox Relay is ranked #7 of 32 in mobile browser software on The Geeks Club. It runs on Android, Browser extension, iOS, Web. There is a free plan.

Firefox Relay plans and pricing

All plans

Limited email protection Free 5 email masks · browser extension · email tracker removal relay.firefox.com · 3 Oct 2026

Email protection Not published Join the waitlist Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies relay.firefox.com · 3 Oct 2026

Add VPN protection Not published Join the waitlist; billed monthly Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies · phone mask · Mozilla VPN access relay.firefox.com · 3 Oct 2026

Email & phone protection Not published Join the waitlist; billed monthly Unlimited email masks · browser extension · email tracker removal · promotional email blocking · custom Relay email domain · anonymous email replies · phone mask relay.firefox.com · 3 Oct 2026

Compared on mobile browser software

Free plan: Yes
Custom domains: No
Reply from alias: Yes
Send from alias: No
Browser extension: Yes

Best Firefox Relay alternatives

See all 12

8.1 Opera Free plan

7.4 Google Chrome Free plan

7.4 JioSphere Free plan

7.4 Microsoft Edge Free plan

7.2 Mozilla Firefox Free plan Open source

7.1 Ecosia Browser Free plan

Firefox Relay

Purpose: Relay creates masked email addresses and phone numbers for sign-ups and forwards emails, calls, and texts while concealing the user's real contact details.
Email mask forwarding: Email masks are private addresses that forward messages to the user's true email address.
Dashboard: The dashboard lets users create and label masks and block calls, texts, or emails from masks receiving too much spam.
Email replies: Premium users can reply to a forwarded email within three months of receiving it; adding CC or BCC exposes the original email address.
Tracker removal: Relay removes common email trackers from forwarded emails.
Promotional email blocking: Premium promotional blocking may block important messages, and blocked email cannot be recovered.
Forwarding limit: Relay does not forward email attachments larger than 10 MB.
Service availability: Free Relay is available in most countries, while Premium is available in the countries listed on its pricing page.
Browser and mobile use: Users can generate masks on other browsers or mobile devices by signing in to the Relay dashboard.
Extension availability: The Firefox Relay extension listing says it is available on Firefox for Android.
Password manager integration: Mozilla Support describes integrating Relay into Firefox Password Manager to generate or reuse email masks from email fields.
Privacy data: Relay collects which websites users have used masks on and associates those sites with the masks; users can opt out of that collection in settings.
Temporary storage: During a service outage, Relay may temporarily store emails, but says it will not store them for longer than three days.
Support: Relay provides a support site and a contact support option for users who need help.
Price from: Free

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Where it ranks on The Geeks Club

Best Mobile Browser Software in 2026#7 of 32
Best Email Alias Services in 2026#5 of 23

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Sources

relay.firefox.com· checked 3 Oct 2026
relay.firefox.com/faq/· checked 3 Oct 2026
relay.firefox.com/premium/· checked 3 Oct 2026
addons.mozilla.org/en-US/firefox/addon/private-relay/· checked 3 Oct 2026
support.mozilla.org/en-US/products/relay· checked 3 Oct 2026
mozilla.org/en-US/about/· checked 3 Oct 2026