It can combine multiple pictures into a PDF file, which is convenient for our follow-up work. The software can support a variety of image formats, such as TIFF, JPG, PNG, JPEG and so on. Basically, all image formats on the market can be converted into PDF format through processing, and the quality of the image will not be reduced when the software compresses the image. It adopts a brand-new calculation method, which can directly integrate the original image data into the PDF file. In addition, the software can adjust the background color of the image to change the original background color to meet the needs of users.