Proton / ProtonMail Password Requirements

Length 8–128 chars
Uppercase Optional
Lowercase Optional
Digits Optional
Symbols Optional
Aligned with NIST guidelines. Separate mailbox password in two-password mode.

About Proton / ProtonMail passwords

Proton / ProtonMail requires passwords between 8 and 128 characters. Boltkey automatically applies these rules when generating a password for Proton / ProtonMail, so every result works on the first try.

Frequently asked questions

What are the password requirements for Proton / ProtonMail?

Proton / ProtonMail requires passwords between 8 and 128 characters. Aligned with NIST guidelines. Separate mailbox password in two-password mode.

How do I create a strong password for Proton / ProtonMail?

Use at least 16 characters with a mix of uppercase letters, lowercase letters, numbers, and symbols. Avoid dictionary words and personal information. Boltkey can generate a valid password for Proton / ProtonMail instantly.

What symbols does Proton / ProtonMail allow in passwords?

Proton / ProtonMail does not publish a restricted symbol list. Most standard symbols should work. Boltkey generates passwords using commonly accepted special characters.

Generate a password for Proton / ProtonMail

← Browse all password rules