What This Password Strength Checker Does

Feature	Description
Real-time Analysis	Updates as you type
Strength Meter	Visual 0-100% scale
Security Score	Numeric rating out of 100
7 Security Checks	Length, case, numbers, special chars, repeats, common passwords
Time to Crack	Estimate at 1 billion guesses/sec
Common Password Detection	Flags top 50 common passwords
Recommendations	Personalized improvement tips
Show/Hide Password	Toggle visibility
Copy Feedback	Export analysis to clipboard

Security Criteria Checked

Criteria	Requirement
✅ Length	At least 8 characters
✅ Uppercase	A-Z letters
✅ Lowercase	a-z letters
✅ Numbers	0-9 digits
✅ Special chars	!@#$%^&*() etc.
✅ No repeats	No character repeated 3+ times
✅ Not common	Not in top 50 common passwords list

Strength Levels

Level	Score	Time to Crack (8 chars)
🔴 Very Weak	0-20	Instant – seconds
🟠 Weak	21-40	Minutes – hours
🔵 Fair	41-60	Days – months
🟣 Good	61-80	Years – decades
🟢 Strong	81-100	Centuries – millennia

How to Use

1. Type a password in the input field
2. Watch real-time analysis as you type
3. Review security checklist to see what’s missing
4. Check estimated crack time
5. Follow recommendations to improve strength
6. Copy feedback to share or save

Example Analysis

Password: “MyP@ssw0rd2024!”

Metric	Result
Score	85/100
Strength	Strong
Crack Time	Centuries
Length	✅ 14 chars
Uppercase	✅ M, P
Lowercase	✅ y, s, s, w, o, r, d
Numbers	✅ 2, 0, 2, 4
Special	✅ @, !
Common	✅ Not common

Common Passwords Flagged

The tool detects common passwords like:

• password, 123456, qwerty
• admin, welcome, letmein
• iloveyou, princess, superman

⚠️ Security Note

Never use your real passwords on online demo tools! This calculator runs entirely in your browser and doesn’t send data anywhere.

Keyboard Shortcuts

• Ctrl/Cmd + R — Clear password