Password strength checker

Check how hard a password is to guess, with an estimated crack time and advice. The password is checked on your device only.

Runs in your browserFree, no account

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How to use it

  1. Type a password.
  2. Read the score, crack time and feedback.
  3. Improve it if needed.

The estimate uses zxcvbn, which recognises common passwords, names, dictionary words, keyboard patterns, dates and repeats, the same way an attacker would guess them.

Questions

Is it safe to type my password here?

The check runs entirely in this page and nothing is sent or stored. Still, as a habit, test a similar password rather than your real one.