Short description of GdTwain Pro SDK 2.7.3: GdTwain Pro SDK is an ActiveX component to control TWAIN devices such as scanners and digital cameras. It also provides a full featured Image Viewer control. With GdTwain Pro you can fully control the image acquisition process, scan images from an automatic document feeder, clean up images, enhance image applying filters like auto border removal, Despeckle, automatic deskew and more. GdTwain Pro can save images to disk or upload through FTP.