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.
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You can center your picture inside of Form Designer. Inside of Form Designer open Form Cover tab and change Top Position to Centered. After that save changed.
After you make this changes your form will look like this.
Here is my demo form: https://form.jotform.com/60076421635956
Feel free to clone it.
Hope this will help. Let us know if you need further assistance.