A-PDF Page Size Split is a simple desktop program that lets you to batch split Acrobat PDF files into smaller PDF files based on page size. For example, there is a file with 5 page of A4 and 3 pages of A3, A-PDF Page Size Split will split the file to 2 files, one for A4 and another for A3.

A-PDF Page Size Split does NOT require Adobe Acrobat, and produces documents compatible with Adobe Acrobat Reader Version 5 and above.