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Password Strength Checker
Check how secure your password really is
Strength Enter a password
Score
0
/ 100
Entropy
0
bits
Crack Time
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Security Checklist
At least 8 characters
Contains uppercase letter
Contains lowercase letter
Contains number
Contains special character (!@#$%^&*)
Not a common password
๐ What This Means
Entropy (Bits)
Measures password randomness. Higher entropy means more possible combinations. 60+ bits is considered strong.
Brute-Force Attack
The time estimate assumes a modern computer trying billions of combinations per second. Real attacks may vary.
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100% Private & Secure
Your password is evaluated entirely in your browser. No data is sent to any server. We never see, store, or transmit your password.
Password Tips
โ Do's
- โข Use 12+ characters minimum
- โข Mix uppercase, lowercase, numbers & symbols
- โข Use passphrases (e.g., "correct-horse-battery")
- โข Use unique passwords for each account
โ Don'ts
- โข Use personal info (names, birthdays)
- โข Use common words or sequences (123456, qwerty)
- โข Reuse passwords across sites
- โข Share passwords via email or chat