b2KIT

Password Strength Checker

Analyze password strength with entropy scoring, crack-time estimates, and improvement suggestions.

All analysis is performed locally in your browser. Your password is never sent to any server. Crack times are estimates based on brute-force attacks and may not account for dictionary attacks or targeted methods.

How to Use Password Strength Checker

  1. 1

    Enter a password

    Type the password you want to evaluate for strength.

  2. 2

    View the rating

    See the strength score from weak to very strong.

  3. 3

    Read the feedback

    Follow the suggestions to improve your password security.

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