Re: FOSS replacement for PDF [Re: editing a PDF]

[Gregory Heytings]

> > Okay, though, look at these nice example how it can be converted to 
> > HTML:
> >
> > pdf2htmlEX by coolwanglu: https://pdf2htmlex.github.io/pdf2htmlEX/
>
> Yeah that’s somewhat impressive.

It's impressive, but not for what the OP wanted to do, namely edit the 
text.  The resulting HTML page has the same structure as the PDF: it's a 
sequence of "put this character in that font at that position" 
instructions.