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.
It is possible to integrate forms with MailChimp. If you want to find more about it you can read this article and find out how to use integration. Inside of MailChimp integration wizard there is a possibility to link JotForm fields and fields from MailChimp list also.
Please see on picture below how integration wizard looks like:
Hope this will help.
I was able to test the upload field on JotForm mapped with Image field on Mailchimp list. Please see the screenshot below :
Could you provide us with the JotForm ID or URL where you are experiencing issues with integrating MailChimp so that we can take a look and guide you in the right direction?