%
Password Strength Checker
Analyze entropy, estimated crack time, and security criteria. Runs in your browser — password never sent anywhere.
—
0
bits entropy
Estimated crack time:
—
(at 10B guesses/sec)
Security Criteria
8+ characters
12+ characters
16+ characters
Uppercase letters (A–Z)
Lowercase letters (a–z)
Numbers (0–9)
Special characters (!@#…)
Not a common password