ToolsPassword Strength Tester

Password Strength Tester

Estimate entropy & crack time

Evaluated entirely in your browser. Nothing is sent over the network or stored.

Strength—
Estimated offline crack time:—

Assumes ~10 billion guesses/second (a fast offline GPU attack).

Checklist

  • At least 12 characters
  • Lowercase letters
  • Uppercase letters
  • Numbers
  • Symbols
  • No obvious patterns or common words