DAC PDF is the only Pdf application you will only need. With DAC PDF you can view encrypted and non encrypted files, you can merge multiple Pdf into one, you can split/remove/re-arrange the pages in a PDF file, you can password protect or remove the protection of a PDF file and compress a file to reduce its size as much as possible. NEW VERSION includes ability to annotate the PDF and save those changes. All is done in the application itself, you files will not be sent to an unknown server somewhere in the Internet. DAC PDF was written from scratch with ultimate performance in mind. Please let us know what additional functionality you will like to see us add to the system. As always, thank you for choosing our software…