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Password Strength Checker

Check how strong your password is against real-world attacks. Analyzes length, character variety, common patterns, dictionary words, and keyboard walks. Shows estimated crack time for brute-force and dictionary attacks. All analysis done locally — password never sent anywhere.

Updated June 2026

  1. 1Type or paste a password
  2. 2View the strength score
  3. 3Follow the suggestions

Never sent to any server — checked entirely in your browser.

How to use Password Strength Checker

  1. 1

    Type or paste a password

    Enter the password you want to evaluate.

  2. 2

    View the strength score

    The tool checks length, character variety, and common-password patterns live as you type.

  3. 3

    Follow the suggestions

    Adjust the password based on the tips shown to make it stronger.

Frequently asked questions

Everything you need to know about password strength checker.

No. All strength analysis is performed in your browser using JavaScript. Your password is never transmitted anywhere and is not stored.

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