Also did a comparison: Photoshop high quality progressive scan 3 pass https://supermathworld.com/static/img/350.jpg https://supermathworld.com/static/img/350.j

Also did a comparison: Photoshop high quality progressive scan 3 pass https://supermathworld.com/static/img/350.jpg https://supermathworld.com/static/img/350.jpg JPEG.IO https://supermathworld.com/static/img/342.jpg https://supermathworld.com/static/img/342.jpg I see no difference.. a neat idea, but it doesn't seem to have value for me.