Crack Time Estimator

Instantly analyse password strength using the zxcvbn algorithm.

Privacy guarantee: Your password never leaves your browser. All calculations are done locally using the zxcvbn library.

Requirements Checklist

  • At least 12 characters
  • Uppercase letters (A–Z)
  • Lowercase letters (a–z)
  • Numbers (0–9)
  • Special symbols (!@#…)
  • No common dictionary words

Start typing to see real-time analysis