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.
Please check the below steps for making the read only fields.
1. Click on the Setting icon at the right side of field.
2. After clicking the setting icon, a menu popup will appear. After that need to click on the last link of that menu popup "Edit Properties".
3. Once you will click on "Edit Properties", a new popup window will appear. In that popup window, there is the last option of "General setting" as "Read only".
4. Need to make that "Read only" properties to "Yes"
Please check below 2 screenshots for more clarification: