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.
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There is a limit Jotform has stablished, it is 1GB or less. However, you can take in account your plan, if you are a free user your available space is 100MB, so won't be able to upload 1GB.
You can edit the size limit per upload from the form builder (according to your available space):
1. Click on the file upload field.
2. Then choose Max File Size. There you can change the limit per upload.
You will find more information about file size limits in the next guide: Changing the Upload Size Limit
I hope this helps. Please let us know if you need further assistance or kindly open a new thread to post unrelated enquiries.