This method is much easier and legal! Get the freeware PDF Shaper Free (I have no connection) It can also re-order, rotate and remove pages. There are also several GNU Ghostscript apps for Windows which also handle PDFs, but t're over-complex for this job, as is Pdf Merging Online , but t don't come with Pdf Merging Online 's dreadful security reputation!
For the complete list you may refer to the PDF Reference Guide. However, if you are still unable to figure out what is the best PDF to use for your document, we will recommend some of the most popular file types to you. For a list of PDF types and download links you may refer to the complete PDF Reference Guide. To read more about how to convert PDF files to other formats you may head over to the PDF Converter Reference Guide.