CHM to PDF conversion tools typically work by extracting the contents of the CHM file and then converting them into a PDF file. The resulting PDF file will retain the same layout, formatting, and images as the original CHM file, making it easy to read and share with others.
There are many CHM to PDF conversion tools available, both free and paid. Some popular examples include Calibre, ABC Amber CHM Converter, and CHM2PDF Pilot. These tools vary in their features, ease of use, and output quality, so it's important to choose one that meets your specific needs.
Overall, CHM to PDF tools can be a useful solution for those who need to convert help files or other documentation from CHM format to a more widely accessible and versatile PDF format.