Password Breach Checker
Find out whether a password has been exposed in a data breach. Your password itself is never sent anywhere.
Sends only the first 5 characters of a hash, never your password Free, no sign-up Works on mobile
You’re offline. This tool needs an internet connection for some features. They will work again when you reconnect.
How to use Password Breach Checker
- Type the password.
- Click Check.
- If it has been leaked, stop using it and change it wherever it is used.
Frequently asked questions
How can this be private if it uses an online service?
Your password is hashed in your browser, and only the first 5 characters of the hash are sent. The service returns hundreds of possible matches and your device checks for yours.
My password was found. What now?
Change it on every site where you used it, use a unique password for each account, and turn on two-factor authentication.
Related tools
All Security & Privacy →- Password Strength Checker See whether a password would survive a real attack.
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- Metadata Remover Remove hidden information like your location and device details from files before you share them.
- Aadhaar & PAN Masker Share only what is needed.