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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    upload attachements

    Asked by Kim Murphy on June 19, 2014 at 06:34 PM

    I have created a form using your wonderful product, but the upload file does not allow the format of files I need to be able to upload.  We have 3D printer and I need people to be able to upload .stp and .stl files.  Can that happen?

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    JotForm Support

    Answered by david on June 19, 2014 at 06:39 PM


    Yes, this is very possible.  Here is a guide on how to do so:


    If you need any further assistance, please let us know and we will be happy to help.

    Thank you for using Jotform!