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.
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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 mean to say that you want to set maximum allowed characters in "Dynamic Textbox" widget? Please be noted that there is a "Size" attribute in the "Dynamic Textbox" widget which is used to set the max character that is allowed in textbox. It does not seems to work as expected.
I am not sure if it a bug but let me send a query to our backend team. We will get back to you as soon as we have any update from them.
The size setting has been fixed.
Please check again - let us know.