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.
Thank you for contacting us.
The PDF extension is not blocked on your form, and I was able to upload a test PDF file via your website. If there are any specific steps to reproduce the issue, please let us know. Also, any additional information would be appreciated, for example if this is related only to some browsers or to some file size.