What file types can I upload as an image?

To clarify are you using the File upload element?

The default file types in uploaded files  are pdf, doc, docx, xls, xlsx, csv, txt, rtf, html, zip, mp3, wma, mpg, flv, avi, jpg, jpeg, png, gif

You could however, use * asterisk to allow all file types.

For more information, you can check this guide:https://www.jotform.com/help/29-How-to-Change-the-Allowed-File-Types-in-the-Upload-Field

Hope this information helps.

Please let us know if you have further questions.

Thank you.