Password Strength Checker

Free

Enter a password to estimate its strength locally and review feedback about length and character variety.

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Other utilities you may need.

Type or paste a password. Strength is estimated locally from length and character classes.

The score estimates resistance based on length and character variety. It is guidance, not a guarantee.

A high score does not guarantee security against all attacks or reused passwords.

Password strength estimation runs locally. The password is not sent to the server.

Is my password uploaded?

No. Strength estimation runs locally in your browser.

What affects the score?

Length and character variety are the main factors used by this estimator.

Does a high score guarantee security?

No. Unique passwords and safe storage still matter.

Do I need an account?

No account is required for free tools on this site.