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.
The max file size you can upload per submission is up to 1GB, you can change that when on the edit mode of your form: https://www.jotform.com/help/33-Changing-the-Upload-Size-Limit
If you need anything else, please open a new thread, we will be glad to assist you.