Raghu

<p>Added GTIN number to inventory tabs of woo product.</p>
<ul>
<li>UPC: this is the primary GTIN in North America.</li>
<li>EAN/UCC: the major GTIN used outside of North America</li>
<li>JAN: the Japanese GTIN</li>
<li>ISBN: a GTIN for books</li>
</ul>
<p>It’s very simple.</p>
<h4>Main features of Product GTIN (EAN, UPC, ISBN) for WooCommerce:</h4>
<ul>
<li>Option to show GTIN code in WooCommerce shop page.</li>
<li>Option to show GTIN code in WooCommerce product detail page.</li>
<li>Option to show GTIN code in WooCommerce cart page.</li>
<li>Option to show GTIN code in WooCommerce checkout page.</li>
<li>Option to show GTIN code in WooCommerce Order Items.</li>
<li>Option to choose the position of GTIN code inside the single product page</li>
<li>Option to add new GTIN tab in product details page</li>
</ul>
<h4>Add new code in GTIM schema:</h4>
<pre><code>add_filter('gtin_schema_data_structure_options', 'add_extra_gtin_code');
 function add_extra_gtin_code($codes){
    $codes['volume'] = "Volume";
    return $codes;
 }
</code></pre>
<p>This function paste in your functions.php file</p>


GTIN Schema for WooCommerce

Great Plugin

Add GTIN number to inventory tabs of woocommerce product.

Scott Bolinger

<p>GTINs (Global Trade Item Numbers) including UPC, EAN, and ISBN are globally recognized unique identifiers for products.</p>
<p>They are required to list your product on Google and Amazon, this plugin allows you to add your GTIN and display it on your product page.</p>
<p>Supports:</p>
<ul>
<li>Simple products</li>
<li>Variable products</li>
<li>Composite products</li>
<li>Product bundles</li>
</ul>
<p>Features:</p>
<ul>
<li>Add GTIN for main product</li>
<li>Add unique GTINs for product variations</li>
<li>Option to display GTIN on the single product page</li>
<li>Change GTIN to any other text</li>
<li>Add GTIN to structured product data</li>
<li>Works with product feeds like Google Shopping and more (requires a feed plugin)</li>
</ul>


WooCommerce UPC, EAN, and ISBN

Awesome plugin with great code

Add GTIN codes like UPC, EAN, and ISBN to your WooCommerce products.

GTIN Schema for WooCommerce vs WooCommerce UPC, EAN, and ISBN