Ap PDF Split Merge - PDF Split Merge is a stand-alone tool for splitting, merging  PDF documents,allows you to split/merge large PDF files into smaller PDF files, PDF Split Merge is offered as an easy-to-use GUI (Graphical User Interface) application, and command-line application.

Ap PDF Split Merge - The split functionality lets you split one or more PDF files based on page groups, page ranges.

The merge functionality lets you quickly combine a collection of PDF documents and page sets.