CHM to PDF
About
CHM to PDF is a free CHM file converter, it can help users to directly convert CHM files into PDF files. It is easy to use, users only need to select an existing CHM file and input a PDF output file name, then click "Convert" button to start conversion. Software will extract the whole contents of CHM file, then format and convert it to PDF format, page by page, finally, software will combine all PDF pages into one PDF document.
Software can support following options:
- Collate when printing multiple copies (default)
- Grayscale, PDF will be generated in grayscale
- Low quality, useful to shrink the result document space
- Do not print background
- Open generated PDF file after conversion (default)
Sometime, the generated PDF files will be much larger than the original CHM files, users can set above PDF options to reduce size of the generated files, such as grayscale, low quality or no-background option.
Download
Freeware, free for private and non-commercial use.

Screenshot

CHM Format and PDF Format
CHM is the abbreviation of "Compiled Help Manual", it is a common help file format on Windows OS platform. Now, CHM format is also often used as a eBook format, there have many CHM eBooks on the Internet, but CHM files are inconvenient to open and view in some mobile devices, such as mobile phone, iPad, Kindle, Kindle Fire, iPhone / iPod and other equipments, so you really need a handy tool to convert these files to PDF files, then you can easily read it anytime you want.