Free · See how many guesses may be needed

Password Guess Count Estimator

Estimate the number of guesses and log-scale difficulty for one password.

  • zxcvbn-ts local estimate
  • Password never leaves this tab
  • Password-free reports

Estimate guesses

The checker loads on this device. Your password is never uploaded or put in a report.

1
Enter a test choiceThe field stays in this tab
Private by designRuns with zxcvbn-ts in this browser
2
Read the safe resultReady when you are
Your score will appear here

The result shows strength and patterns, never the password itself.

Three simple steps

How to use it

  1. Type a password in the private field.
  2. Read the guess estimate.
  3. Use the pattern list to improve it.

Your password stays on this device

zxcvbn-ts checks the password inside this browser tab. Bookify does not upload, save, or log it. Results and downloads leave the password out. Crack times are estimates, not guarantees.