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Resources for barcodes, UPC/EAN codes, Amazon, and more.

How to Properly Size and Place Barcodes for Seamless Retail Scanning

• 3 min read

Barcodes are small but mighty. When sized and placed correctly, they ensure your products move smoothly through the retail pipeline—from your warehouse to your customer’s hands. But when done wrong? You risk scan failures, shipping delays, and rejected inventory. In …

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What Is GS1 DataMatrix? A Look at 2D Barcodes—and Why QR Codes Are Winning

• 3 min read

As packaging and labeling evolve, more businesses are looking beyond the traditional UPC and EAN barcodes to new technologies that can store more data in less space. One of the most talked-about options in regulated industries is the GS1 DataMatrix—a …

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Getting Started with 2D Barcodes: What Every Brand Should Know

• 3 min read

Barcodes are evolving, but not disappearing. Over the past few decades, 1D barcodes like UPCs and EANs have been printed on billions of products around the world. These traditional barcodes are deeply embedded in global supply chains, point-of-sale systems, and …

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How to Get a Barcode for Your Shopify, Etsy, or WooCommerce Store

• 4 min read

If you sell products online through Shopify, Etsy, or WooCommerce, you’ve probably come across the term UPC barcode. Whether you’re launching a new product or scaling an existing brand, getting your barcodes right is essential for keeping your store organized …

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How to Print Barcode Labels for Your Products

• 8 min read

In today’s competitive retail landscape, proper barcode labels aren’t just a technical requirement—they’re a critical business asset. Whether you’re selling products on Amazon, in brick-and-mortar stores, or through your own e-commerce platform, professional barcode labels serve multiple crucial functions: Ensure …

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Amazon FNSKU – Everything You Need to Know

• 5 min read

Navigating the world of Amazon selling involves understanding various identifiers and barcodes that play crucial roles in product listing, inventory management, and fulfillment. Among these, the Fulfillment Network Stock Keeping Unit (FNSKU) stands out as a pivotal element for sellers …

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How to attach Product Information to a UPC barcode

• 2 min read

You can register your codes in a number of ways. At UPCs.com, you can easily manage and update Product Information such as Product Name and pricing, and you can easily export all of the data to store for your own …

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You may not create ASINs for this brand

• 1 min read

When creating a new listing on Amazon, you may encounter the following error: Error Code 5461 | You may not create ASINs for this brand. Please review our ASIN Creation Policy here: https://sellercentral.amazon.com/gp/help/201844590 Amazon Error Code 5461: ASIN Creation Blocked …

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Common Mistakes to Avoid When Printing and Placing Barcodes

• 3 min read

Ensuring the accuracy and readability of barcodes is crucial for efficient product tracking and inventory management. However, common mistakes during the printing and placement of barcodes can lead to scanning errors, operational delays, and customer dissatisfaction. This comprehensive guide outlines …

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The validity of a Product ID is checked against the GS1 GEPIR and ISBN.org databases

• 1 min read

Product ID Validity Check on Amazon: Using GS1 GEPIR and ISBN.org Databases When adding products to Amazon, you may encounter an error regarding the validity of a product ID. This happens because Amazon cross-references the Product ID (UPC, EAN, GTIN) …

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