Password Strength & Entropy Analyzer
Analyze password entropy (E = L × log₂ R), realistic guess estimates with zxcvbn, pattern hints, and time-to-crack for consumer, GPU, and nation-state scenarios. Nothing is stored or transmitted.
Frequently asked questions
No. Passwords are analyzed locally and not transmitted. Nothing is sent to LocalTools servers for processing.
Avoid pasting live secrets on any website; use synthetic samples that mirror your policies.