DeskScan screen capture with Twain/WIA support DeskScan is a simple to use two-button screen capture tool with additional Twain support. It allows you to capture a full-screen desktop or a selected area as well as input from your Twain device (scanner, camera etc.) The captures can be saved as BMP, JPG, JPEG2000, MNG, WMF, GIF, PCX, PNG, PDF and TIFF. Very few features, but extremely easy to use with support for the most popular image formats.