How to create a custom input field on wordpress product page?

Question

Online shopping

When adding a product to the cart, the user needs to enter specifications, measurements, sizes, but with this solution, a variable product will not work (from 100 to 500 cm there will be too many variations).

Answer 1

There is such a wonderful plugin WooCommerce Extra Product Options
They can create any type of fields, text drop-downs, checkboxes, etc., you can make the settings apply either to a specific product or to all