For many years now, the PDF documents are the number one choice for all the people who want to make some documents or e-books available for others. If you have to download applications forms or other documents from government run websites, then they are in the PDF format. If you want to download scanned e-books from sites like archive.org, then they are in the PDF format. The list goes on and on.
And if you are also sharing your documents in the PDF format, then perhaps you would want to to stamp them with your watermark to make sure that nobody abuses them and distributes them as their own. Watermarking PDF documents is very similar to watermarking the images. And you can use a free software called PDF Watermark to do this job. This free software is able to watermark the PDF documents using both the text based watermarks as well as image based watermarks.
PDF Watermark has a very easy to follow user interface. You can click on the Add PDF button to add all the PDF files that you want to watermark. Next, you have to click on the Settings button to choose the watermark settings. For the text based watermarks, you can choose font, font size, font color, opacity, rotation angle, etc. For the image based watermarks, you can choose the image, image opacity and the scale ratio. For all the watermarks, you can choose the tiling the watermarks.
Once these settings have been picked to your like, you can click on the Start button. This will start adding the watermarks to your PDF files. The new PDF files will have “watermark” appended to their filenames. The original files will not be deleted.
Verdict: PDF Watermark is a free and easy-to-use program to stamp your PDF documents with watermarks. It can be customized to add either the text based watermarks or the image based watermarks.
You can download PDF Watermark from http://www.pdfconverters.net/.