Password strength checker
See how strong a password is and how long it would take to crack.
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Length
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Character sets
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Entropy
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Time to crack
Runs locally in your browser. Nothing is uploaded.
How to use
- Type or paste a password.
- The score, entropy and crack time update instantly.
- Follow the hints to make it stronger.
Questions
Is my password sent anywhere?
No. The check runs entirely in your browser; nothing leaves the page.