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.
I have checked your account and I see that you are in free plan. You need to upgrade your account to remove "Powered by JotForm" footer from your forms. Please have a look at our upgrading options: Pricing
After you upgrade your account, JotForm Branding checkbox will be enable and you will be able to uncheck "Powered by JotForm" footer option in Account > Settings.
If you need any other support, please feel free to let us know.