It's a scam. You spend all this time creating a generator and choosing preferences, and then it tells you you have to log in to your Gmail account and that you only have three choices
You don't know what scam means. You are abviously a spam
The project looks interesting, I filled the fields and I'd like to try it, but I probably will not create an account.
Is it possible to make a trial version without login? Perhaps with some bounded rate, or a waiting time of 1 minute or something to discourage abuse.
(Perhaps some samples may be a nice alternative, but a restricted 100% free try is better.)