Encrypt your PDF files (RC40 bits, RC128 bits, AES128 bits) and set permissions on them.
Add a pdf document as front page or addendum (or both) to your PDF documents.
Extract attached files from a PDF document.
Decrypt your PDF files providing decryption password.
Set viewer options to tell the viewer application how should open the document.
Set the metadata of a document (author, title, subject and keywords).
Visually compose your PDF document selecting pages from multiple PDFs.
Reorder pages in a PDF document by dragging and dropping them
OS : Any
Java: Java Runtime Environment 6 or above
RAM : 256 MB
Disk Space: 20 MB or more