JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
First, you need to convert the existing PDF form to an online form. Please use this app: https://www.jotform.com/spread2jot/.
After that, you can create a Fillable PDF form. Please refer to this guide: How-to-create-a-PDF-form
Hope that helps. If you have any questions, let us know. Thank you.