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.
What other embed options would you like to use? Please check this guide "Create Multilingual Forms for a Global Audience"
I think you can accomplish what you want by checking the Detect Language option:
1)Click on "Languages"
2)Click on "Options"
3)Check the option
Check this form here, so basically it will show the language based on the language set on the user's browser.