🔑 Password Breach Checker

Check if a password has ever appeared in a real data breach — securely.

Powered by Have I Been Pwned. Only the first 5 characters of the SHA-1 hash leave your browser (k-anonymity) — your password is never sent or stored.

Checks left this month: 5 / 5

Result

Your password is checked against more than 1 billion real breached passwords.

Real data from HIBP Pwned Passwords
K-anonymity — your full password never leaves this device
Free, no login required