Password Strength Analyzer
This free password strength analyzer uses the zxcvbn algorithm to evaluate password security. It detects various patterns including dictionary words, keyboard sequences, repeated characters, and common substitutions. The analysis provides an estimated crack time based on adversary models, helping you create stronger passwords. All analysis happens locally in your browser - your password never leaves your device.
Enter Password to Analyze
Your password is analyzed locally and never sent to any server
Enter a Password to Begin
Type or paste a password above to analyze its strength. The analyzer will detect common patterns and estimate how long it would take to crack.
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Tags
password
security
zxcvbn