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.
With the new form builder (v4), yes you can do so update the form offline. After you get back online all changes you've made shall sync online.
To switch to v4, just go to your Account's Settings page and select the FORM BUILDER version you prefer to use:
If you have questions, please let us know.