Password Leak Checker (Masked)
The Password Leak Checker lets you check whether your password has been exposed in a known data breach — without ever sending the full password or storing anything. It uses a technique called k-Anonymity, where only the first 5 characters of your password’s SHA1 hash are sent to a trusted API. This way, your password remains completely private.
This tool is ideal for security-conscious users, developers, and system admins who want to verify password safety for themselves or clients. You’ll instantly see how many times a password has appeared in breaches. Weak or common passwords will usually show high exposure counts — indicating a strong need to change them immediately.
Password Leak Checker 🔐
🔎 Is Your Password Safe?
This tool uses a privacy-respecting method called k-Anonymity to check if your password has appeared in public data breaches. Your actual password is never stored or sent in full.
Why Use This?
If your password has shown up in a breach, it’s time to retire it. This tool lets you check safely, instantly, and anonymously using partial hashing.
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