The version is 2.0. ChiefPDF Image to PDF Converter is a powerful easy-to-use image to pdf converter. ChiefPDF Image to PDF Converter is a powerful easy-to-use PDF tool, it can batch convert dozens of image formats to PDF document, such as TIF/TIFF, JPG/JPEG, GIF, PNG, BMP, EMF, WMF, PCX, PIC, PSD,...