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.
multiple image upload restrictionsAsked by cfaform on November 09, 2013 at 02:14 PM
You did not really elborate clearly what your question is.
But please check this article Upload-Field-Allowed-File-Types , perhaps the answer you need is already mentioned.
Please contact us again if not. And it would help understand better if you can provide more details.