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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Our youtube widget doesn't have an auto play option so a workaround would be to embed the video and append autoplay option.
<iframe width="560" height="315" src="https://www.youtube.com/embed/CD95p_JyksU?autoplay=1" frameborder="0"></iframe>
You can use our Free Text HTML field and embed the codes there:
Let us know if you need further assistance.