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.
You can use Send POST data in your custom Thank you page. Go to Preferences and on Advanced settings tab set Send Post Data to Yes
Now your form sends post data to your thank you page. Now you need to go to Thank you page.
A window will pop-up on the right side of your screen.
Choose REDIRECT TO PAGE text box will show where you can enter url to your page.
When you fill text box, press APPLY.
Please let me know if this works for you.