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.
Yes. It is possible to upload attachments using JotForms.
For free account, you'll be provided with 100MB of storage space and more space for paid subscriptions. You can upload upto 1GB of file size using JotForm.
Hope this information helps. I see that you are using a guest account. We strongly recommend to register a free account with us to see what more you can do with JotForm.