PDF Watermark Creator To Protect Your PDFs
http://watermark-images.com/pdf-watermark.aspx

This application can be used to watermark pdf documents online. You do not need to have any additional software to watermark your pdf files. Digital watermarking of pdf files has never been this easy. Select your pdf file, upload it, choose your options and click on the watermark button. You can completely customize your watermark with regards to font color, size, position of watermark etc. This is a pdf watermark freeware and you can use it as many times as you please. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.