I have a website that customizes a contract for clients to fill out and fax into me. I was just having them print the webpage but I have found that where page 1 ends differs from user to user (and I have an initial section at the bottom of each page).

I am trying to find a way to either be able to create a pdf from the customized webpage for them to print (for consistancy) OR.. I have seen other sites with pdfs for download but you could click onto editable fields in the pdf and fill out your info then print.

How do they do that?

This site is useful for editing
https://www.pdffiller.com/index.php

This site will convert a html page to pdf, once converted you can save the file

Convert URL to PDF Convert Text/Html to PDF
Online PDF Conversion, Free | HTML to PDF | Url to PDF | Create PDF Online

If you would like an app that can scan docs, txt etc.. And be editable, OmniPage can do this