🇬🇧WebFileTools/Password Strength Checker
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Password Strength Checker

Analyze password strength: entropy, crack time estimate, pattern detection.

🔒 Your password never leaves your browser. All analysis is 100% local.

What is Password Strength Checker?

The strength checker analyzes a password by calculating entropy, detecting patterns and estimating crack time.

How to use this tool?

Enter your password and instantly get the analysis: score, entropy, crack time and recommendations.

Benefits

  • Entropy in bits
  • Estimated crack time
  • Pattern detection
  • 100% local and confidential

Frequently Asked Questions

What criteria are analyzed?
Length, character types, entropy in bits, sequence detection, repetitions and dictionary words. Estimated crack time.
Is my password sent anywhere?
No, the analysis is 100% local in your browser. No data leaves your device.
What is entropy?
Entropy measures unpredictability in bits. Higher means harder to guess. 80+ bits is considered very strong.

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