Password exposure
Breached Password Checker
Check whether a password has appeared in known breach data without exposing the password itself.
- Private hash check
- Exposure result
- No password storage
- Remediation advice
Designed for k-anonymity: the password should never leave your browser.

Your browser hashes the password and sends only the first five hash characters to the Pwned Passwords range service. The password itself is never transmitted.
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