Hyperlatex is a package that allows you to prepare documents in HTML, and, at the same time, to produce a neatly printed document from your input. Unlike some other systems that you may have seen, Hyperlatex is not a general LaTeX-to-HTML converter. In my eyes, conversion is not a solution to HTML authoring. A well written HTML document must differ from a printed copy in a number of rather subtle ways--you'll see many examples in this manual. I doubt that these differences can be recognized mechanically, and I believe that converted LaTeX can never be as readable as a document written for HTML.
This manual is for Hyperlatex 2.9, of March 2005.