Calculator Suite

Password Strength Tester

Analyze password security with entropy calculation, pattern detection, and actionable recommendations. All analysis happens locally in your browser.

Check for common words and passwords

Detect patterns like 'qwerty' or '123456'

Find repeated character sequences

Enter a Password
Start typing a password to see real-time strength analysis, entropy calculation, and security recommendations.
All analysis happens locally in your browser
No passwords are sent to any server
Real-time feedback as you type
Password Strength Tester | Calculator Suite