2] AConvert.com. You can also use AConvert.com which is a great free website to convert CHM to PDF. It can convert CHM and other eBook formats (CBZ, AZW, DJVU, HTML, MOBI, etc.) to PDF documents.

You can turn images into PDFs by clicking JPG to PDF, and pointing the website towards a file on your computer, in Google Drive or in Dropbox—choose your page size and margin options, then click ...