# How to Include UPC/GTIN in WooCommerce: A Complete Guide
Adding UPC (Universal Product Code) or GTIN (Global Trade Item Number) to your WooCommerce products is crucial for several reasons. It improves product visibility on major marketplaces like Amazon and eBay, enhances inventory management, and streamlines order processing. This comprehensive guide will walk you through the process, covering various methods and troubleshooting tips.
Introduction: Why Use UPC/GTIN in WooCommerce?
Before diving into the technical aspects, let’s understand the importance of including UPC/GTIN in your WooCommerce store. These unique identifiers are essential for:
- Improved Search Engine Optimization (SEO): Search engines use this data to better understand your products, leading to improved rankings.
- Marketplace Integration: Platforms like Amazon, eBay, and Google Shopping require GTINs for product listing. Without them, you’ll face significant limitations.
- Inventory Management: Accurately tracking inventory becomes much easier with unique product identifiers.
- Enhanced Order Processing: Accurate product identification streamlines order fulfillment and reduces errors.
- Navigate to your WooCommerce Products: Go to `Products > All Products` in your WordPress admin dashboard.
- Edit a Product: Select the product you want to add the UPC/GTIN to and click “Edit”.
- Find the “Product Data” Meta Box: Locate the “Product data” meta box on the right-hand side.
- Add the UPC/GTIN: Within the “General” tab, you’ll find a field labeled “SKU“. While technically not a UPC/GTIN field, you can use this field if you don’t need the other methods below. Alternatively, you might find a “custom field” option. Create a new field and label it as “UPC” or “GTIN”. Enter your product’s unique identifier into this field.
- Product Attribute Manager: Allows for the creation of custom product attributes, including UPC/GTIN.
- Advanced Custom Fields (ACF): A versatile plugin allowing you to create custom fields for any data you need, including UPC/GTIN.
- Other relevant plugins: Search the WordPress plugin repository for “product attribute” or “GTIN” to find other suitable options.
The Main Part: Adding UPC/GTIN to WooCommerce Products
There are several ways to add UPC/GTIN to your WooCommerce products, depending on your needs and technical skills.
Method 1: Using the WooCommerce Product Data Fields
This is the simplest method, utilizing WooCommerce’s built-in features. It’s ideal if you only need to manage a small number of products.
Method 2: Using a WooCommerce Extension
Several plugins are designed specifically for managing product attributes like UPC/GTIN. These extensions often offer additional features like bulk import/export and improved reporting. Examples include:
Method 3: Manually Adding the Data Using a Code Snippet (Advanced Users)
For advanced users comfortable with PHP, you can add a custom field directly to your WooCommerce database. This method requires caution, as incorrect implementation can break your site. Always back up your database before making any code changes.
This example adds a custom field “gtin” to the product data:
add_action( 'add_meta_boxes', 'add_gtin_meta_box' ); function add_gtin_meta_box() { add_meta_box( 'gtin_meta_box', 'GTIN', 'gtin_meta_box_callback', 'product', 'normal', 'high' ); }
function gtin_meta_box_callback( $post ) {
$gtin = get_post_meta( $post->ID, ‘_gtin’, true );
?>
<input type="text" name="gtin" id="gtin" value="” size=”30″ />
<?php
}
add_action( ‘save_post_product’, ‘save_gtin_meta_box_data’ );
function save_gtin_meta_box_data( $post_id ) {
if ( isset( $_POST[‘gtin’] ) ) {
update_post_meta( $post_id, ‘_gtin’, esc_attr( $_POST[‘gtin’] ) );
}
}
Conclusion: Choosing the Right Method for You
The best method for adding UPC/GTIN to your WooCommerce store depends on your comfort level with technology and the size of your product catalog. For beginners, using the built-in WooCommerce fields or a user-friendly plugin is recommended. Advanced users might prefer the code snippet approach for greater customization. Regardless of the method, ensuring accurate and consistent UPC/GTIN data is essential for a successful online store. Remember to validate your GTINs with a GTIN validation tool to avoid errors. This will boost your SEO, improve your marketplace listings, and streamline your business operations.