JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
You can change the limit that you want to allow for uploads up to 5GB file per file upload field.
To do that you would need to increase the default size limitation, and you can do it as per a guide here: Changing the Upload Size Limit
Do check it out and let us know if you have any questions along the way.