Watermark images software supports gif, jpeg, bmp, png, emf, wmf, exif image formats, other main features include image scaling on the fly, image opacity for watermarking, etc. It can run in batch mode, easily add logo or text as watermark to your pictures, images, photos or other digital images. If you add this software or create more knowledge so, go this link www.pdfwatermarksoftware.com. It is support prefix suffix with resultant file name.