Formly

Add custom fields to any product page and capture customer responses in every order. Product Options and Terms lets merchants add custom fields to their Shopify product pages. Customers can fill in text inputs, choose from dropdowns, and check checkboxes before adding to cart. Their responses are automatically saved as line item properties and appear directly in your Shopify orders — no manual work needed. Works with Add to cart and Buy it now buttons. Assign fields to all products, specific products, or collections.