ChmDecompiler is an Chm file or ebook decompiler,it can decompile .Chm file or ebooks (ie.'Compiled Windows HTML Help files') and extract all source files from the ebook!
A batch decompiler for Compiled Windows HTML Help files (*.chm). ChmDecompiler can extract all/any source files in a MS .chm file or ebook easily and quickly,ChmDecompiler is also a easy-to-use .chm file viewer.

Features:

Decompile a CHM Html help file or CHM ebook quickly and easily.
Recover the .HHP project file perfectly.
Decompile all MS CHM files / CHM ebooks in batch processing.
Extract a/any files from a chm file or chm ebook.
Convert any chm files to html freely.
Manage CHM Html help file like a zip file.
An excellent CHM file viewer or CHM file reader.
Integration with Windows shell.
Multilanguage support.
Built-in chm files decompiler with batch processing.
Easy-to-use interface.

How does it work?
Simply select an .CHM file, press the 'Extract selected from a .chm' or 'Extract all from a .CHM' button, select a folder for output,and in a short time you'll get all source files of the .CHM file (these soucre file are saved in the folder you've selected)!

With ChmDecompiler, you also can decompile .CHM files in a batch: select 'Batch decompilation' from the file menu,and select the in/out folder that contains Chm file or ebooks ,then select a output folder,press the 'Start' button,all ebooks are decompiled quickly.

What can I do with it?
Extract all source files from a Chm file or ebook ,then you can edit and recompile those source files,that's all.ChmDecompiler support decompile .CHM in a batch,and it's also a 'CHM Reader' or 'CHM Viewer'.