Pular para o conteúdo principal

Online Password Strength Checker

Find out how strong your password is. Free online tool that evaluates your password strength and suggests security improvements.

Online Password Strength Checker

A strong password should include:

  • At least 8 characters
  • At least one uppercase letter
  • At least one lowercase letter
  • At least one number
  • At least one special character

About this validator

This tool performs a quick password-strength check based on common security criteria.

It helps guide users before submission, but it does not replace stronger backend password policies.

Best practices

  • Prefer long, unique passwords for every service.
  • Consider encouraging password manager usage.
  • Pair strong passwords with two-factor authentication whenever possible.

Important notice

A password approved here can still be compromised if it is reused, exposed in breaches, or stored insecurely.