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HomePassword Strength Checker

Related: Password Generator Hash Generator AES Encrypt JWT Decoder Base64 Encoder

Password Strength Checker

Analyse password strength in real time — entropy, estimated crack time, and actionable tips to improve security.

Check Your Password

Enter password

Try These Examples

Entropy Score

0 bits

Enter a password above

Crack time —

Checks passed—

Length—

Why It Matters

Modern GPUs can test 10 billion passwords per second against weak hashes.
Each extra character multiplies the search space, not just adds to it.
Attackers check billions of common passwords first before brute-forcing.
Use a password manager to store unique, complex passwords for every site.

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