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.
You can look at your form settings for uploading files by going to form builder and clicking on File upload part of your form.
1. Click on File upload.
2. Click on Max File Size and change value that suites you. Default value for Max File Size is 1MB(1024 KB) maximum value you can set is 1GB (1048576 KB).
You have to increase this value to be larger than your users image size and it should solve your problem.
Please let me know if this works for you.