PDFTools 

Work with all kinds of PDF files by opening them, editing and copying their content. Encrypt, decrypt, join, split files and pages, create new documents, rearrange elements, and more. There is an option to add digital watermarks and set up access restrictions.

PDFTools is a PDF management application. It can encrypt, decrypt, join, split, stamp, create and rearrange a PDF file.

You will get to choose from seven main tools that will help you encrypt and decrypt PDF files, create, join, split or rearrange presentation files, include watermarks onto your PDF files.

Finally, to sum it all up, you should try PDFTools, an easy-to-use application that gives you access to numerous handy tools to help you improve your presentation files.