100% Client-Side Privacy Tool
Password Strength & Entropy Estimator
Calculates cryptographic entropy and brute-force cracking resistance completely inside your browser. Your password is never transmitted over the internet.
Evaluation: Empty0/100
Estimated Brute-Force Time:
Instant
Calculated Entropy:
0 bits
Strength Criteria:
12+ Characters
Uppercase Letter
Lowercase Letter
Numeric Digit
Special Symbol (!@#$)