This Python script allows you to split a large PDF file into smaller PDF files. You can specify the input PDF file, the prefix for the output files, and the number of pages per small file.

A tool for chop and stitch files. (ITA)

:hocho: Large file cutting and slicing tools.【大文件分块切割工具】

You can split a file into more little files, e.g. for transfer large files over CD or sharing large files over social apps..