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.
Unfortunately, it is not possible to change the "Choose File" and "No File Chosen", since we use a standard file input element for single upload fields.
That element is not controlled by us, it is a native browser element, so it even looks different on each browsers.
The "Choose File" and "No File Chosen" button text is coming from the browser engine, and there is no way to control it.
You may enable the "Allow Multiple" option, when this option is enabled, then you can change the button text, example:
Let us know if you need more help.