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.
To upload a PDF form, you can do that by navigating to this link: http://www.jotform.com/adobe-formscentral-alternative/
From there, you just need to scroll down and the "Import Form" button should show at the upper right corner of the page. Here's a screencast on how I did it:
Do let us know if you need more information on this.
It seems like the "Import Forms" button is not anymore showing. To better assist you, I went ahead and opened a separate thread for this, please refer to this link instead: http://www.jotform.com/answers/669216. We will address your concern there.
Thank you for understanding.