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.
Although I have answered this on the other thread, you can still read my answer below.
It is overall. The 100MB upload space limit is the overall limit allocated for a free account. It is not per file.
If you are on a paid plan, you would have much higher upload space limit.