Is my password sent anywhere?

Never. All calculation happens in your browser. Open DevTools network tab and verify — zero requests.

Why does it say my password is weak when others say strong?

Most meters only check character variety. We measure actual entropy — a more honest metric.

80+ bits is strong. 60-80 is okay. Below 60, attackers with GPUs can crack it in hours.

Not currently — that would require a server call. Consider Have I Been Pwned for that.

At equal entropy, yes — they are easier to remember. A 5-word passphrase often beats a 10-char random string.

Based on 10 billion guesses/second (a realistic GPU cluster speed) against the entropy of the password.

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测试密码强度和熵值分析

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测试密码强度和熵值分析

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