Writing & Productivity Tools

Password Strength Checker

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Test password strength instantly with length, complexity, and estimated crack-time guidance.

Password Test

Check password strength in real time and improve weak combinations before using them.

Password Strength Checker — illustration

Test Password Strength Before You Reuse It

Weak passwords are still one of the top causes of account compromise. This checker gives a quick local estimate based on length and complexity so you can improve weak drafts immediately.

How To Improve Password Strength

  • Use 12+ characters minimum.
  • Mix uppercase, lowercase, numbers, and symbols.
  • Avoid personal info and predictable patterns.
  • Use unique passwords for every account.

For best security hygiene, pair strong passwords with a reputable password manager and MFA.

Common questions

Quick answers before you start calculating.

No. Everything runs in your browser and nothing is uploaded.