Most HTML-to-Markdown tools handle one file at a time. You paste some HTML, get Markdown back, repeat. That works for a quick snippet but not when you have 200+ pages from a help center export sitting in a folder.
Source: [Dev.to](https://dev.to/cdieck88/showdev-i-built-a-bulk-html-to-markdown-converter-that-runs-entirely-in-the-browser-3p3e)