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README.md

Imageless Captcha

Creates a random number on every page load, based on your preferences. From that number, it creates the number as a phrase. In the form, you use the phrase to ask the user to enter it as a number. When the form is posted, you simply check to see if the user's answer matches the number.

  • Keeps your form clean, no ugly captcha images or third-party embedded styles
  • Extremely lightweight
  • Very easy to implement
  • Customizable

JavaScript demo

PHP demo