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Free tool
Has your password leaked?
Type a password to see if it has shown up in known breaches. It's checked privately using k-anonymity — only the first 5 characters of a scrambled hash ever leave your device, never the password itself.
Password Checkup
See if a password has leaked — privately. It never leaves your device.
🔒 Only the first 5 characters of a scrambled hash are sent — never your password.
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