What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You can change the form's font size using the font size property.
When you create the PDF form, it should fit in one page.
If you are refering to the PDF form in submissions page (using Get PDF), I downloaded one of the form submission in PDF and I can see it fits into a single page only
Hope this help. Please inform us if you need further assistance.