Today PDF files are very much popular amongst writers, architects, designers and other professionals. However, there are circumstances when these PDF files are too mass to manage or share online. You need to combine several PDF files into one robust PDF file. PDFFab PDF Merger can help you do that easily, even if you don't know how to combine PDF files.
This program can fast combine PDF files into a larger one. You can set open/user password to protect PDF from opening, or copying, printing and editing, as well as add bookmarks, properties like title subject, author and keywords to output files. It supports drag and-drop operation and user-friendly interface. Moreover, PDFFab PDF Merger doesn't need Adobe Reader or Acrobat to be installed.