There's not a simple way to fully convert a multimedia HTML file into a PowerPoint presentation. Much of the Hypertext Markup Language is referential, meaning that the text code points to content ...

Although you can change the file extension to get it done, it is not recommended at all. That is why you can use MarkdownPad on your Windows computer to convert text to HTML or XHTML.

Converting texts between formats is a bit of a pain to do on a file-by-file basis, but thankfully, MacIssues shows how to convert text files in bulk using a simple terminal command.