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.
Please note that it is not possible to unselect radio button field but you can take advantage of our clear button to clear the radio button selection. Please check the screenshot below:
Alternative option available is to use checkbox field instead of radio button which will allow you to check and uncheck the option. Checkbox field will also allow you to limit the selection as well. Please check the screenshot below:
Hope this helps.
Do get back to us if you have any questions.