PDF to PNG Command Line Converter allows you to set color depth color resolution image size the first name of result image files when you convert PDF to PNG. You can get image files in black and white in nature color and in grayscale. Key parameters of PDF to PNG Command Line Converter: 1.Convert multiple PDF to PNG image files in a quick and accurate way. 2.Convert password protected PDF files to PNG image files. 3.Convert multi-page PDF to PNG file in a second. 4.Support color-depth setting. Generate monochrome true color and grayscale image file from PDF to PNG 5.Support resolution setting. Allow users to set resolution for both X and Y in DPI (default is 150) 6.Allow users to adjust and change the PNG image size. Users are allowed to set image width and height via command line. 7.Allow users to select first or last page to print.