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.
You can edit the size of the form from the Preferences
Or from the Designer:
I hope this helps. If, in any case, I misunderstood your concern, please feel free to let us know and give us more details. Thank you.