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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You can achieve this by using the PDF Form version of the form.
Check this user guide: How-to-Create-a-PDF-Form
You can distribute to your end-users the PDF Form that they can use/fill-up offline, and then submit it later (they need to be online though during submission because internet is required then)
Hope this help. Let us know if you have further question.