What Is a GTIN? The Number Behind Every Product Barcode
GTIN stands for Global Trade Item Number: the unique number under every product barcode. Learn the four GTIN formats and how to get one.

GTIN stands for Global Trade Item Number: the unique number under every product barcode. Learn the four GTIN formats and how to get one.

Turn a spreadsheet of product codes into hundreds of print-ready barcodes in minutes. This step-by-step guide covers preparing your Excel file, avoiding the leading-zero trap, choosing the right symbology, and printing on label sheets.

UPC-A, UPC-E, and EAN-13 look similar but serve different purposes. This guide breaks down each symbology, shows how they convert into each other, and helps you pick the right one for your products.

Everything you need to know about EAN-13 barcodes — the 13-digit structure, how the check digit is calculated with a worked example, EAN-13 vs UPC-A, common mistakes, and how to generate 500 barcodes in bulk for free.