you have to go to inspect, sources, and right click index.html and save the page and change filetype to HTML only and download it and put it in turbowarp Unpackager to get the sb3
it's the folder, you have to press the arrow beside it, html itch zone, html(numbers) and you right click the index.html FILE and open it in new tab then download the page as html only then put it in Unpackager