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Password Strength Tester

Test how strong your password is with real-time analysis.

Your password is tested locally and never sent to any server.

Password Security Tips

  • • Use a unique password for each account
  • • Consider using a passphrase (e.g., "correct-horse-battery-staple")
  • • Use a password manager to generate and store passwords
  • • Enable two-factor authentication when available

About this tool

Analyze password strength locally in your browser — entropy, estimated crack time, and a security checklist. Nothing is sent to a server.

Key Capabilities

  • ▪ Entropy & score
  • ▪ Crack-time estimate
  • ▪ Security checklist

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