Free forever · No credit card

Your private mailbox is 60 seconds away.

Create your @nsnumber.com address and we'll generate your encryption keys right here in your browser. We never see your password, and we can't read your mail.

  • Keys generated on your device

    Your password unlocks a private key that never leaves your machine in plaintext.

  • Recovery email, verified once

    We send a one-time verification link so you can regain access if you're ever locked out.

  • No ads, no tracking, no catch

    We're funded by subscriptions, so your inbox stays yours alone.

Create your account

Already have one? Sign in.

@nsnumber.com

Enter the full address, e.g. [email protected].

We'll send a verification link here to confirm it's really you.

Protected by Cloudflare Turnstile. Your keys are generated locally.