zebra is now live
Now check your password strength on the go
zebra is now updated with zxcvbn
zxcvbn: widely reputed gold-standard password strength estimator, developed by Dropbox.
Stop wondering if your password is strong enough. Find out for sure, instantly and securely.
100% Local Processing
Your password never leaves your device
Shows the total number of characters in your password. Longer passwords are generally stronger.
Entropy measures the unpredictability of your password. Higher entropy means it is harder to guess or brute-force.
Shows how many types of characters (lowercase, uppercase, numbers, symbols) are used. More types make your password stronger.