Password Strength Checker

Analyze password complexity and get feedback on how to improve security.

Input
pass_tool.strength.tips

Input a password to see suggestions.

What is Entropy?

Entropy is a measure of password randomness. Higher entropy means it's harder for computers to guess your password.

  • < 28 bits: Very weak
  • 28-35 bits: Weak
  • 36-59 bits: Fair
  • 60-127 bits: Strong
  • 128+ bits: Very strong