Password Strength

Check how strong your password is, or generate a secure one. Entropy-based analysis, time-to-crack estimate. 100% in-browser — nothing is ever sent anywhere.

🔐 Test your password

Start typing to analyse

Length

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Entropy

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Character set

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Time to crack

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❌ At least 12 characters

❌ Uppercase letters

❌ Lowercase letters

❌ Numbers

❌ Symbols (!@#$…)

✅ No repeated patterns

⚡ Generate secure password

Length: 16

Uppercase (A-Z)

Numbers (0-9)

Symbols (!@#$)

No ambiguous chars (0/O/l/1)

Click generate…

💡 Passwords are generated using crypto.getRandomValues() — cryptographically secure and never logged or sent anywhere.