Password Entropy Meter

Calculate password entropy and estimate crack time — understand what makes a password strong

How to Use Password Entropy Meter

1. Type or paste a password in the input field — the tool analyzes it in real-time as you type
2. Review the entropy in bits, strength rating, and estimated crack times across 3 attack scenarios
3. Check the character breakdown (lowercase, uppercase, digits, symbols) and any common pattern warnings to understand how to improve your password

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