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.
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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 would suggest you to use the Heading field, this will help you to display your logo as well as some heading text, first you will need to add the field to your form and click on the image option on the top toolbar, once on the wizard you will be able to provide the image by choosing on the method that you want:
Another option would be adding the image field to your form, then choosing how you will upload the image:
Please give it a try and if you have any question, let us know.