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 do have an app that will allow you to convert a spreadsheet into a webform:
Though, the functionality is quite limited. Some sheets may not imported perfectly and the functionality of the webform may be quite different.
We also have a spreadsheet widget that can be added to your form to recreate a spreadsheet within the form itself:
However, you would need to manually setup the sheet. You would not be able to import the sheet automatically.