1)   CHM to HTML Converter 5.1
CHM to HTML Converter allows you to convert any CHM files or E-Books to HTML easily, and you can extract any/all source files from the CHM, such as HHP, HHC, HHK and etc. Supporting batch conversion at once by one click. Plus, Command Line Prompt.

 2)   Windows CHM To HTML 5.2
Windows CHM To HTML is a tool to convert Windows Help files (*.chm) to HTML format files directly. With this tool, you can make a specification of an application from the *.chm files.