Cryptographically Secure Password Generator

Generate strong, random passwords using the Web Crypto API. Customize length and character types, and see how long it would take to crack your password.

Click generate

Password StrengthVery Strong

Time to crack: 21 trillion years

Based on 10 billion guesses per second (modern GPU cluster)

Options

Length16

464

Uppercase (A-Z)Lowercase (a-z)Numbers (0-9)Symbols (!@#$%^&*...)

Cryptographically Secure

Uses the Web Crypto API for true randomness, not pseudo-random number generators.

Client-Side Only

Passwords are generated locally in your browser using the Web Crypto API. No passwords are stored, logged, or transmitted.

Crack Time Estimate

See how long it would take to brute-force your password with modern hardware.