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.
To add an email field to your form, simply open the form in the form builder by selecting it in the "My Forms" section of your account:
The while editing the form, add an email field to your form:
This should also update the embedded form.
If you have any further questions, let us know and we will be happy to help.