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Is it possible to make a random captcha for a google form? You may search and find on google groups and other sources a hard no to this question but, in fact, there is one method that I made that works pretty well. Unfortunately, there are some catches with the method that I am about to show you, but until we get to that, we first have to ensure that we can meet a requirement that this method has. This primary requirement is an URL/server that can generate dynamically a captcha image from a given text passed into an HTTP GET variable.
Luckily there are some free servers that can do just that. In this instance, I had used “dummyimage.com”, but if you want you can use your own server as there are many examples of code for generating an image from an HTTP get variable available in many web programming languages.
Ok so, if we met this requirement, is time to do a somewhat detailed explaining of …