snapter - Replace mobile scanners with digital cameras

snapter is a software that can be used in conjunction with a digital camera to replace a scanner and convert documents, business cards, book pages, etc. taken by a digital camera into PDF documents. Using a scanner can scan flat documents, business cards, etc., but there are many things that are not convenient to scan, such as open books, large area and framed business licenses, etc., of course, we can use a digital camera to take pictures and then use Photoshop to modify, but with a convenient software like snapter, Why bother using Photoshop?