Password Strength Checker

Test how secure your password is - runs entirely in your browser

Enter a password
Your Privacy
This tool runs entirely in your browser. Your password is never sent to any server, stored, or logged. You can verify this by disconnecting from the internet and testing - it will still work.

Password Best Practices

  • Use 12+ characters minimum
  • Mix uppercase, lowercase, numbers, symbols
  • Use a unique password for each account
  • Consider using a passphrase
  • Use a password manager

What to Avoid

  • Personal info (names, birthdays)
  • Common words or phrases
  • Keyboard patterns (qwerty, 123456)
  • Reusing passwords across sites
  • Sharing passwords via email or text
Generate a Strong Password