No idea what you’re after exactly. What are ‘normal PDFs’ you’re referring to? Do you mean print-layout, full-page renders or something different?
You could try your luck with things like Readability.js (you can inject that in the viewer window e.g.) or Instapaper layout like mentioned here: Possible to view uncluttered bookmarked webpages in DTP? - #3 by acoyne