Seems like a useful file optimizer / reducer for many file formats:
Perhaps the community might find it useful?
I stumbled across it today and have been using it to reduce PDF and image formats.
Application name - FileOptimizer
Vendor/Publisher - Javier Guti�rrez Chamorro
Application Version - 9.20.1585
Network install Guides/Documentation links - http://nikkhokkho.sourceforge.net/static.php?page=FileOptimizer
Download links to the Software - https://sourceforge.net/projects/nikkhokkho/files/FileOptimizer/
Silent install options - /S (not sure if /AllUser is implemented)