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Password Strength Checker
Test how strong a password is, see an estimated time to crack it, and get tips to make it stronger. Nothing leaves your device.
Tip from Tink: Length beats complexity: a long passphrase beats a short jumble.
Strength
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Time to crack (offline attack)
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Entropy
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Length
0
Crack time assumes an attacker who stole a password database and can try 10 billion guesses a second. It's a rough guide.
🔒 Runs entirely on your device. Nothing you type is sent anywhere or saved.
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How to use the Password Strength Checker
- Type a password.
- Read the strength, crack time and tips.
- Nothing you type is sent or saved.
Everything runs in your browser. Nothing you enter is uploaded.