BatchRenameFiles Tool is a powerful tool, that allows you to quickly rename all the files in a specified directory.
You can remove spaces, replace spaces with underscore, Uppercase/lowercase filename, add a prefix/suffix,
remove/replace strings and also catalog files by adding an incremental number to the file name.
File Splitter and Joiner is great tool designed and implemented to allow you split a file into several chunks, and then join them together to recreate the original file.
You can use this tool if you have a large file that needs to be sent over the web, or stored on external devices which are smaller in size.