This command line tool converts .html to .epub with images fetching.
> go install github.com/gonejack/html-to-epub@latest
> html-to-epub *.html
Flags:
-h, --help Show context-sensitive help.
-o, --output="output.epub" Output filename.
-c, --cover=STRING Set epub cover image.
--title="HTML" Set epub title.
--author="HTML to Epub" Set epub author.
-v, --verbose Verbose printing.