Has a very strong AI code smell. Still it seems to be a decent turf.js wrapper for GIS professionals who don't have too much JS experience. Most should be able to use CLI tools at least for all of this.
I would expect GIS professionals to use ESRI or QGIS. This is an interesting showcase. It seems a little too simple given the variety of options for geographic projection. I’m not quite sure what the value proposition is, but it’s interesting.
The entire site is a result of me building different tools for geography guessing game, GuessWhereYouAre.com. At first, I needed them for myself (parsing JSONs, working a lot with Leaflet maps and Turf). Then I added some of them to the guide page in the game, and later I thought — why not create a dedicated site, polish the experience, and make them available as simple geography tools for people like me?
I’m not sure how useful they might be for professionals who use ESRI or QGIS, but I know I needed tools like that for the game’s development and couldn’t find anything easy to use and simple — at least not all in one place.
So technically, this site is a result of another project.