Password Strength Checker
Check how strong your password is. Everything runs locally — nothing is sent anywhere.
Enter a password to check
Criteria:
- At least 8 characters
- At least 12 characters (recommended)
- Uppercase letter (A-Z)
- Lowercase letter (a-z)
- Number (0-9)
- Special character (!@#$...)
- No 3+ repeated characters in a row
Privacy: Your password never leaves your browser. All analysis is done client-side with JavaScript.