Password Strength Checker
Check password strength. Free, instant. Runs client-side only.
0?((/[a-z]/.test(p)?26:0)+(/[A-Z]/.test(p)?26:0)+(/[0-9]/.test(p)?10:0)+(/[^a-zA-Z0-9]/.test(p)?32:0)):1,p.length));return 'Length: '+p.length+'\\nStrength: '+labels[Math.min(score,6)]+'\\nEstimated entropy: '+Math.round(entropy)+' bits\\n\\nCharacter types:\\n Lowercase: '+((/[a-z]/.test(p))?'✓':'✗')+'\\n Uppercase: '+((/[A-Z]/.test(p))?'✓':'✗')+'\\n Numbers: '+((/[0-9]/.test(p))?'✓':'✗')+'\\n Symbols: '+((/[^a-zA-Z0-9]/.test(p))?'✓':'✗');"}'>
How to Use Password Strength Checker
1
Enter password.
2
Get strength analysis.
3
Copy or download your result.
Frequently Asked Questions
Is my password sent anywhere?
No. All analysis runs in your browser. Nothing is transmitted.