Free password strength checker. See how long your password would survive a real cracking attempt, and what to use instead. Runs entirely in your browser: nothing is sent or stored.
The check runs entirely in your browser. Nothing typed into it is sent to us, stored or logged.
Swapping an a for a 4 or adding an exclamation mark feels clever, but cracking software tries those substitutions first. Length and unpredictability are what cost an attacker time.