Password Strength Checker

Test your password strength and get instant feedback. All checks happen in your browser - your password is never transmitted or stored.

🔒 100% Private: This tool runs entirely in your browser. Your password is never sent to any server or stored anywhere.

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Characters

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Strength Score

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Time to Crack

Requirements

❌ At least 12 characters

❌ Contains uppercase letters

❌ Contains lowercase letters

❌ Contains numbers

❌ Contains special characters (!@#$%^&*)

❌ Not a common password

What Makes a Strong Password?

• Length: At least 12-16 characters (longer is better)
• Complexity: Mix of uppercase, lowercase, numbers, and symbols
• Uniqueness: Different password for each account
• Randomness: Avoid dictionary words, personal info, patterns
• Unpredictability: Don't use common substitutions (@ for a, 3 for e)