Most likely, ABC Amber CHM Converter is a batch decompiler for Compiled Windows HTML Help files (*.chm) you've been searching for a long time. Taking CHM files or CHM ebooks, it will convert them to any document format you wish - PDF, RTF, HTML, DOC, HLP, TXT, DBF, XML, CSV, XLS, MDB, etc.
It creates the contents with bookmarks (in PDF, RTF, DOC and HTML), extracts pictures, keeps hyperlinks and the structure of CHM file. In other words, you can produce a new hypertext system in most popular formats.
Key features of conversion to PDF using ABC Amber CHM Converter program include 40/128 bits PDF encryption, advanced PDF security options, page size and page orientation support, resolution mode, compression mode, and more.