PDF Mix Tool is a simple and lightweight application that allows you to perform
common editing operations on PDF files.

Base operations it can perform are the following:
* Merge two or more files specifying a page set for each of them
* Rotate pages
* Composite more pages onto a single one (N-up)
* Combinations of all of the above

Besides, it can also mix files alternating their pages, generate booklets,
add white pages to a PDF file, delete pages from a PDF file, extract pages from
a PDF file, edit the PDF document information, extract images from a PDF file.