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.
Yes, your upload forms can be set to accept only specific files, which means that you could set it up to accept only PDF files, only image files, or both PDF and image files.
You can see more about this here:
Do of course let us know if you have any issues setting it up or questions along the way and we would be happy to answer them for you.