Password Strength Checker
Test how strong your passwords are — everything stays on your device
100% Private: Your password is never sent to any server. All analysis happens locally in your browser.
Enter a Password to Test
Password Security Tips
- Use at least 12 characters — longer is always better
- Mix uppercase, lowercase, numbers, and special characters
- Avoid personal information like birthdays or pet names
- Use a unique password for every account
- Consider using a passphrase: "correct-horse-battery-staple"