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.
Please consult our guide on how to change the file max size:
This is available to free accounts, the difference is the account's available space and monthly submissions. The maximum size for a file is 1Gb but this need to be in accordance with the free space allowed to the account's plan.
You can see the conditions in more detail here.
Let us know if we can be of more assistance.