The following review written by one of the Software Informer contributors applies to version 4.1
PrimoPDF is a tool for converting any kind of document to PDF format when what you need is that the file should be printable. PrimoPDF is a tool compatible with most of the windows operating systems including XP, 2000 server along with Vista operating system.
Howerver, PrimoPDF needs to have .net 2 framework on the machine to operate. PrimoPDF supports more than 300 file formats for converting them to PDF format, including HTML, word, XLS, Image files and many others. Though the free version has limited features, it is still enough for using it for basic PDF conversion. With PrimoPDF users can also secure their PDF files with password along with adding various document data like Author, Title etc., during conversion. PrimoPDF is also able to take two different PDF files and then merge them in one single PDF file. PrimoPDF confirms PDF 1.4 and 1.5 type of PDF formats during the conversion. PrimoPDF's installer is very quick and also free from any type of Addwares and SpyWares. PrimoPDF converted files are also free from any type of watermarks.