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100% Client-Side — Password Never Sent to Server

Password Strength Checker

Check how strong your password is instantly. Get security analysis, crack time estimate, and entropy score — all in your browser, never sent to a server.

Check Password All Tools

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Security Analysis

Start typing a password to see analysis

Strong Password Generator

Create a random strong password automatically.

Secure Password Tips
  • Use at least 12 characters
  • Combine upper, lower, numbers, and symbols
  • Avoid dictionary words
  • Do not use personal info (name, birth date)
  • Use a different password for each account
  • Consider a password manager like Bitwarden
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