Make watermark on picture software output in various image formats like jpg, png, gif, bmp, emf, wmf, exif, etc. If you want to add the watermark to the background, you can set logo or text to be more or less transparent, and place it wherever you want watermark to be on image. If you add this software or create more knowledge so, go this link www.pdfwatermarksoftware.com to add stamp on page. It is support prefix suffix with resultant file name.