Check if your password is in breach databases or commonly used. Detect unsafe patterns from data breaches and hacking attempts.
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Learn why common passwords are dangerous and how to choose unique ones.
Passwords like "password123", "admin", or "letmein" appear in billions of account breaches and are the first attempts hackers make. If your password appears in any breach database, it's considered compromised.
Even without knowing your account, attackers can test these common passwords against any service, gaining immediate access to careless users.
Our tool checks your password against curated lists of known breached and commonly used passwords. The database is updated regularly with new breach data. Always generate truly random passwords using our cryptographic password generator rather than trying to create memorable ones. Verify diversity with our character set analyzer and strength with our entropy calculator.
Checks against databases of breached and commonly used passwords.
All checking happens in your browser for complete privacy.
Database includes latest breaches and common passwords.
Questions about common passwords and breach detection.
Our database is updated regularly with the latest breach data. However, new breaches happen constantly. The best protection is using truly random, unique passwords generated by a password generator.
No, all checking happens locally in your browser. Your password never leaves your device. The database is embedded in the tool for complete privacy.
Stop using that password immediately. Generate a new unique password using our password generator and update all accounts that used this password.
🔒 All processing happens locally in your browser. No passwords are stored or transmitted.