Security

Password Analyzer

Estimate password strength and entropy.

Type a password to see its strength.

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0
Entropy (bits)
0
Length
0
Charset size
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Est. crack time

Character classes

Tips

    This free password analyzer estimates how strong a password is by measuring its length, character variety and entropy in bits, then approximates how long a fast offline attacker would need to crack it. It also lists practical tips to strengthen weak passwords.

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