Analyze how strong or crackable your password is using zxcvbn, the same realistic strength-estimation algorithm used by major tech companies.
Type the password you want to test.
View its estimated strength score and crack-time estimate instantly.
Adjust your password until it reaches a strong rating.
No, the analysis runs entirely in your browser using zxcvbn | your password is never transmitted or stored.
zxcvbn models real-world password guessing patterns, like common substitutions and dictionary words, giving a more realistic strength estimate than basic rules.
It's an estimate of how long an attacker would take to guess your password using common cracking techniques, given its patterns and length.