Display the previous PDF document as the current document;

Display the next PDF document as the current document;

The user can copy pages from existing PDF documents and re-use them to assemble several new documents;

The user can combine all or partial pages of a variety of individual PDF documents into a new PDF document;

The user can easily add all or partial pages of a certain PDF document to the document;

The user can easily compare all or portions of the document properties and the page properties between two PDF documents;

The user can adjust the size of selected PDF documents freely, so that the adjusted documents can be used for read, print, website or sending emails;

With a number of different file types supported, the user can add file attachments easily, the file types includes text, images, audio and video etc;

The user can quickly insert text info in front of or behind existing page content of the PDF document;

The user can quickly insert text and graphics across one or more pages in a PDF document;

The user can easily add color, image or PDF file as background;

Help the user to know more details about the document info;

The user can set one or more keys to a PDF document, and add relevant information to these keys. The user can modify the settings either.