Password Strength Checker

Type a password to see a live strength score against length, character variety, and common weak patterns, entirely in your browser.

  • At least 8 characters
  • At least 12 characters
  • Contains lowercase letter
  • Contains uppercase letter
  • Contains a number
  • Contains a symbol
  • No obvious repeated characters (aaa, 111)

Nothing you type here leaves your browser — this runs entirely client-side.

Example input

correcthorsebattery

Example output

Strength: Strong