Arduo File Splitter is a simple and usefull software that permit to split a file in multiple chunk with any size, and then merge it to obtain the original file.
It include an advanced MD5 hash check, so you can be sure to obtain the original file without losing time with a corrupted one.
Is also present a compare function between two files, and a hash check, so you can check your files to be sure that are not corrupted.
Download Link:
Arduo File Splitter [Portable]