Set your CAPTCHA configuration
Challenge Count Number of challenge characters
Response Count Number of response characters
CAPTCHA Orientation Vertical or Horizontal CAPTCHA
Unicode Code Point Range Unicode code point range (from plane 0) to pick challenge and response character values from.
Ordered Clicks When true, the CAPTCHA solution should follow the order in which the challenge characters appears. For horizontal CAPTCHA, find the topmost challenge character among the response characters and click on it, and so on. For vertical CAPTCHA, find the leftmost challenge character among the response characters and click on it, and so on.
 
 


What else?
  • 'Clear Selection' lets you clear and reattempt before submitting
  • It's a fun experiment. Interesting CAPTCHA configuration options on the top right
  • Hover over the dotted text for more info. Do try out the different configurations
  • It's open source. Get code from here
  • Got some time? Read the whitepaper
  • Want to do quick reading? Here is the blog link