F
Menu

Tool

Password Strength Checker

Check password length, complexity, weak patterns, entropy estimate, and improvement tips locally in your browser.

Very weak0/5

Requirements

  • At least 12 charactersMissing
  • Uppercase and lowercase lettersMissing
  • At least one numberMissing
  • At least one symbolMissing
  • No common weak wordMet
  • No repeated character runMet

Tips

  • Use at least 12 characters.
  • Mix uppercase and lowercase letters.
  • Add at least one number.
  • Add a symbol.

Strength

Very weak

Score

0/5

Entropy

0 bits

Crack Time

Instant

How to use

  1. 1. Type a password into the local checker.
  2. 2. Review the strength score, entropy estimate, and tips.
  3. 3. Improve missing requirements until the score is stronger.
  4. 4. Export only non-sensitive metrics if you need a record.

Privacy and security notes

Password checks run in the browser and the tool does not include raw passwords in copy, export, share, or analytics data. The score is a practical local estimate, not a replacement for a dedicated enterprise password audit.

For encoding text values, use the Base64 Encoder Decoder when you need a reversible text representation.