PDF stamper software modify image by original size, fit to page size and custom size by change width and height. You can create both text and image for a watermarking. User can set or modify Meta properties such as author, title, subject and keywords. Software have provide margin for header or footer of Adobe pages. Download free trial version of Apex PDF Watermarking Software from www.pdfwatermarksoftware.com to create watermarking PDF document.