CHM2HTML Pilot converts CHM documents into a set of HTML files. The program supports command line. Using batch mode, you can convert several documents simultaneously. The program has Explorer-like interface.
This software is a commercial software. You will be able to download and test CHM2HTML Pilot during a certain period of time, then, if it does what you need, you will have to acquire the full version from CHM2HTML Pilot publisher. The CHM2HTML Pilot 1.00 free trial version contains an installer and an uninstaller, and has a size of 2104 Kilobytes.
For additional information and support request, please contact directly CHM2HTML Pilot publisher.

CHM2HTML Pilot Screenshot