This plugin adds "GTIN" field for every WooCommerce product and saves it on the database. You can locate the field from "Product Data" meta box inside "Inventory" tab. Highly useful for submitting product feed on Google Merchant Center.
Features:
- Simple user interface.
- Lightweight Plugin
[ Usage ]
Meta key to retrieve individual product's GTIN data is "_gtin". You can grab the data using the snippet below.