Magento 2 Tutorials – Lesson #23: How To Configure Magento 2 Free Shipping As Coupon codes
From Magento 2 Cart Price Rule settings, depending on the conditions you set, the Free Shipping can be applied for any order when all conditions are met. At the same time, you can generate multiple codes to offer as free shipping promotion. With coupon codes, you can set limit usage in a more extensive way instead of just being able to set minimum order values like other shipping methods. Also, customers can choose to apply coupons or save for further usage.
For more detail visit our blogs:
► Configuring Free Shipping for all products:
► Configuring Free Shipping for a specific product: