Watermarking PDF Software help to set watermark image size by increasing or decreasing image width and height also has function to crop the selected image. To stamp a watermark on PDF files is to mark you PDF documents as your copyrighted property.# With the help of PDF water mark tool insert text or images with links in PDF files. # Corp Images before making as watermark in PDF document. # Set password or properties of output PDF file. # Resize watermark images and set height, width, angle and location within PDF document. # Compatible with all popular Windows OS like 98, NT, 2000, XP, Vista and Windows 7.