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 did test your form by sending a test submission. After the form is submitted, it is displaying some QR code. Please check the screenshot below:
Is this the issue you are having?
Please be noted that you seems to have added image in your form's thank you message and that is the reason why it shows up when the form is submitted. If you do not want to display it, you need to delete it form your form's thank you message. Please check the screenshot below:
Hope this helps.
Do get back to us if you have any questions.
Thank you very much....