Password Breach Checker

It uses the HaveIBeenPwned API to securely check if your password has appeared in any known data breaches.

Yes! We use the k-Anonymity privacy model. Your password is cryptographically hashed (SHA-1) inside your browser. We only send the first 5 characters of the hash to the API. Your actual password never leaves your device.

You should immediately change that password on any website where you have used it, and never use it again. Always use unique passwords for different sites.

A password manager is a secure app that generates, stores, and auto-fills complex, unique passwords for every site you visit.

Absolutely. 2FA adds a secondary layer of security, meaning even if someone steals your password, they cannot log into your account without your phone or hardware key.

Yes, the PASSWORD BREACH tool is completely free with no usage limits, sign-ups, or subscriptions required.

No. We do not store or log any of the URLs, domains, or passwords you check using our tools.