Processed on this device
Passwords
Password Generator
Create strong random passwords with browser CSPRNG.
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PasswordsProcessed on this device
Password Strength Checker
Check password patterns locally without storing the password.
Enter a password to see a local assessment.
The password is analyzed in this browser only. It is never stored, sent to an API or included in analytics.
How it works
Enter a password or passphrase to inspect its entropy, brute-force crack time estimates, and pattern vulnerabilities.
Privacy
Passwords are evaluated in-memory using local zxcvbn pattern matching. Passwords are never sent to an external API or database.
FAQ
Will checking my password leak it to a database? No. The entire strength analysis runs on your machine.
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