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.
I saw that you are using Version 3 of our form builder and I saw your issue, but I was not able to replicate it on my cloned form.
I have cleared your form cache. Please try again to upload you image.
You can also try with some other browser.
You can also switch to Version 4 of our Form Builder. You can switch to Version 4 on settings page of your account.
Hope this will help. Let us know if you need further assistance.