Password Leak Checker (Offline Demo)
Learn how password leak checking works with this educational tool. Understand the K-Anonymity model used by Have I Been Pwned. This tool runs 100% offline and never sends your password anywhere—it's purely for learning about password security.
Educational Purpose Only
This tool demonstrates how K-Anonymity password checking works. It does NOT actually check if your password has been leaked. For real leak checking, visit haveibeenpwned.com