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.
Do you want to increase height of you custom Thank you page?
You can achieve that by opening you Thank You page wizard and clicking on Edit Text option.
Then click on Source code icon and inside of source code add code height:500px; inside of <div> tab as shown on image.
After that Thank You page of you form will look like this.
Here is my form: https://form.jotform.com/60264877147968
Feel free to clone it.
If you want to achieve something else please provide us more details about what you are trying to achieve and we will be happy to assist you.
Let us know if you need further assistance.