How to Automatically Generate EAN & UPC Barcodes in WooCommerce

Managing product identifiers like EAN, UPC, SKU, or GTIN is one of the biggest challenges for WooCommerce store owners—especially if you handle many products.
Without a proper system, errors become common, product listings get messy, and marketplaces like Amazon or Google Shopping may reject your items.

The solution?
A fully automated barcode generator that creates consistent EAN-13, EAN-8, UPC, or Code128 barcodes across your entire store.

In this guide, we’ll walk through how the WooCommerce EAN & UPC Code Generator plugin works and how you can use it to organize your store effortlessly.

Download the plugin here: WooCommerce Barcode Plugin

What Is the WooCommerce EAN & UPC Code Generator?

The WooCommerce EAN & UPC Code Generator is a powerful automation tool that allows you to generate:

• EAN-13 barcodes
• EAN-8 barcodes
• UPC (UPC-A) barcodes
• Code128 barcodes

With a single click, you can automatically apply these codes to:

Product SKUs
Custom barcode fields
GTIN fields
Product variations

This saves hours of manual work and ensures your product catalog is accurate and marketplace-ready.

Key Features of the Plugin

Automatic Barcode Generation

Generate EAN, UPC, and Code128 barcodes instantly for all products.

Assign to Any Field

Apply generated barcodes to:

• SKU
• GTIN
• Custom barcode fields
• Variation products

Bulk Generation for Large Stores

Perfect for shops with hundreds or thousands of products.

Real-Time Progress Bar

Know exactly how many products have been updated.

Error-Free and Consistent

All barcodes follow global standards and prevent duplicate values.

How to Generate Barcodes Automatically (Step-by-Step)

Step 1: Choose Your Barcode Format

In the plugin settings, select the type of barcode you want to generate:

• EAN-13 (most common for retail)
• EAN-8 (for smaller products)
• UPC-A (popular in the US market)
• Code128 (general-purpose barcode)

This ensures your barcode is compatible with your region, marketplace, or industry.

Step 2: Select the Barcode Number Source

The plugin lets you decide which field the system should generate the code for. This means you can replace:

• SKU
• GTIN
• Custom barcode meta
• Existing codes

This flexibility allows you to adapt the plugin to your store’s workflow.

Step 3: Click the “Assign Code” Button

Once you click the button:

• The plugin detects the total number of products
• Updates each product one by one
• Shows a live progress bar
• Prevents duplicate or incorrect barcodes

After completion, a “Process Completed” message appears.

Step 4: Check Your Products

Go to Products → All Products and you’ll notice:

• All SKUs or selected fields now contain newly generated EAN or UPC codes
• Your catalog is uniform, clean, and perfectly structured
• Barcodes are ready to print, export, or use in inventory systems

Download the plugin here: WooCommerce Barcode Plugin

Why Automated Barcode Generation Is Essential

✓ Saves Hours of Manual Work

Creating unique barcodes manually is time-consuming. Automation helps scale easily.

✓ Reduces Human Errors

Incorrect barcodes cause scanning problems, fulfillment issues, and marketplace rejections.

✓ Better Inventory & Warehouse Management

Standardized codes help:

• Warehouse staff
• Label printers
• POS systems
• Scanners

✓ Improves Marketplace Compatibility

Amazon, Google Merchant Center, and eBay require accurate GTIN/EAN/UPC numbers.

This plugin ensures compliance.

Who Should Use This Plugin?

This plugin is ideal for:

• WooCommerce store owners
• Dropshipping stores
• Retail businesses
• Wholesale inventory managers
• Marketplace sellers
• Anyone who needs fast barcode generation

If your store needs standardized product identifiers, this tool is a must-have.

Conclusion

The WooCommerce EAN & UPC Code Generator is the simplest and most powerful solution for creating EAN-13, EAN-8, UPC, and Code128 barcodes automatically.

It helps you:

• Keep products organized
• Improve catalog accuracy
• Reduce errors
• Save massive time
• Become marketplace-ready

If you want a fast, reliable barcode system for WooCommerce, this plugin is the perfect choice.