I keep dreaming of good article->epub conversion, but the options out there aren't great. Most of the browser plugins run through "reading mode", and if that do

I keep dreaming of good article->epub conversion, but the options out there aren't great. Most of the browser plugins run through "reading mode", and if that doesn't work (especially if the article is posted in a SPA) they're cooked. Calibre in theory can turn webpages into ebooks, but in practice it's a lot of work to make it nice, if it works at all, and there's no real way to use it on mobile.