Not a bad tool indeed, and being able to export it easily into a picture is a great idea ! But as the Don Himself said, I think that most people use f-list nowadays.
Nevertheless, your tool (and by "your tool" I'm talking about the link you posted of course, not your dick !
) always set the same words in the same place, so maybe it's easier to identify your favorite kinks into a partner within a glimpse. With f-list, I sometimes take a couple if not a dozen of seconds to identify my favorite kinks on it.
Tell me if I'm wrong thought, but I think you can choose more kinks with f-list ? And many people already use f-list.
So, unless many people adopt this new system, I think f-list is going to continue to be used by many people by default. But I had fun checking the boxes on your system !