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.
Thank you for letting us know.
You can simply reduce the form width by clicking on 'Form style' tab and change the form-width. Please see the following picture-
Or, if you're talking about form responsiveness then you may try our 'Mobile responsive' widget. You may find it in the following link-
Please note that I have tested your webpage with tablet simulator , it's looks fine there.
Can you provide us which tablet model are you using? So we may take a look into it and inspect the problem.
For further assistance, please get back to us. Cheers!