Free Strong Password & Passphrase Generator

About Cryptographic Password Generator

Uses the browser Cryptographically Secure Pseudo-Random Number Generator (window.crypto.getRandomValues) to produce uncrackable passwords and EFF wordlist passphrases.

How to Use Cryptographic Password Generator Online

1. Select password length (e.g. 16–32 characters) or Passphrase mode.
2. Toggle character sets: Uppercase (A-Z), Lowercase (a-z), Numbers (0-9), Symbols (!@#$%^&*).
3. Check password entropy strength score in bits.
4. Click Copy Password.

Frequently Asked Questions

Are generated passwords stored or logged anywhere?

Never. Passwords are generated in volatile memory via client-side Web Crypto and never transmitted over any network.