Password Strength Testing Tool

Analyze password length, complexity, entropy, and risky patterns. This tool runs locally in your browser for better privacy.

Strength: Not Tested
Start typing a password to see the analysis.
Length 0
Entropy 0 bits
Crack Time N/A

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Privacy Notice: This demo does not transmit or store your password. All calculations are performed locally in your browser. For real-world production systems, never log plaintext passwords.