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.
I am not sure if I have understood your question correctly. Can you please share a screenshot on where you are clicking to browse and choose document? The following guide should help you how to upload image in forum post: http://www.jotform.com/answers/277033
Do you mean to say that you are trying to import a form which is in your local system?
Please be noted that you can only import an HTML web based form. The following guide should help you how to import an existing HTML form: http://www.jotform.com/help/42-How-to-Clone-an-Existing-Form-from-a-URL