Password Strength Checker

Instantly check password strength and breach exposure. Your password never leaves your device.

Enter a password
At least 12 characters
Uppercase letter (A-Z)
Lowercase letter (a-z)
Number (0-9)
Symbol (!@#$%^&*)
Not a common password

Uses k-anonymity — only first 5 chars of SHA-1 sent, password stays private

Length:
💡 Tips for strong passwords:
Use a passphrase like Coffee-River-Mountain-47! — long, memorable, hard to crack.
Never reuse passwords across sites. Use a password manager like Bitwarden (free).