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.
With which form you want to remove the header image?
I did check your last edited form but it does not have any header image. Please check the screenshot below:
Do you mean to say that you want to delete the images which you have uploaded earlier? Please check the screenshot below how to delete the images form galary:
Hope this helps.
Do get back to us if you meant to ask something else.