🔐
Password Strength Checker
Check how secure your password really is
Strength
Enter a password
Score
0
/ 100
Entropy
0
bits
Crack Time
—
Security Checklist
At least 8 characters
Contains uppercase letter
Contains lowercase letter
Contains number
Contains special character (!@#$%^&*)
Not a common password
🔓 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
✅ Do's
- • Use 12+ characters minimum
- • Mix uppercase, lowercase, numbers & symbols
- • Use passphrases (e.g., "correct-horse-battery")
- • Use unique passwords for each account
❌ Don'ts
- • Use personal info (names, birthdays)
- • Use common words or sequences (123456, qwerty)
- • Reuse passwords across sites
- • Share passwords via email or chat