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.
Yes it is possible to achieve your requirement. You can embed your form in your wix page by using the Lightbox embed code. On click of any link the lightbox window will be displayed. The following guide should help you: http://www.jotform.com/help/220-How-to-Create-a-Lightbox-Form
If you want to popup your lightbox form automatically, it is also possible and the following guide should help you: http://www.jotform.com/help/203-How-to-Auto-popup-a-Lightbox-Form
Follow this guide on how to add your lightbox form to your Wix page:
If there is something else you are trying to do, let us know and we will be happy to assist you further.