Password Strength Testing Tool

Test password strength using zxcvbn, custom security checks, crack-time estimates, and Have I Been Pwned breach detection.

Strength Meter Not tested

Strength: Not Tested

Start typing a password to receive an analysis.

Length

0

Entropy

0 bits

zxcvbn Score

0 / 4

Estimated Crack Time

Online throttled attack

N/A

Offline fast hash attack

N/A

Attack Simulation

Dictionary Attack

N/A

GPU Attack

N/A

Quantum Estimate

N/A

Entropy Visualization

Language

Have I Been Pwned Check

Enter a password to check whether it appears in known breaches.

AI Password Suggestions