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.
I'm sorry for the trouble caused to you.
There is absolutely no problem with our form editor. I am able to use the form tools normally to build forms. Most likely it could be a temporary browser related cache issue. Have you already tried clearing your browser cache? If you haven't please clear your browser cache. Here is a guide which should help you: http://www.wikihow.com/Clear-Your-Browser's-Cache
Do get back to us if the issue persists and also let us know the browser you are using.