There seems to be plenty of various online solutions or HTML to JPEG utilities available on internet, so it is likely this conversion is possible. However the exact purpose or how the output file will look like is not clear.
Convert HTML Hypertext Markup Language web page to JPEG bitmap image format.
We found 5 software records in the database related to .htm to .jpg file format conversion.
Microsoft Windows software - convert htm to jpg on Windows
Simple HTML to other format converter
Convert from htm file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned htm to jpg. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Professional desktop document publishing software from Adobe
Apple macOS / Mac OS X software - convert htm to jpg on OS X
Mac version od Adobe's popular document designing and publishing software
Linux/Unix software - convert htm to jpg on Linux
A HTML to image converter
On-line services software - convert htm to jpg on web
An online text to image conversion service