mailseed.
A fresh start, in one click

Your next email.
A stronger password.

Create a random Proton address suggestion and a secure password.
Simple, private, and generated right in your browser.

Your fresh pair

Browser-only generation
Randomly generated · Availability not checked
64 characters · with symbols
Cryptographically secure randomness, not Math.random().

Ready when you are.

A suggestion, not an inbox. This tool does not create an account, receive email, or check availability. Register an available address with Proton to use it.
Go to Proton signup ↗

Secure by design

Uses your browser’s cryptographic random number generator.

Stays on your device

No generated credentials sent to a server. No tracking or saved history.

Generate. Copy. Keep safe.

Save your chosen credentials in a trusted password manager.