Services and standards
GS1 standards are the most widely used system of standards in the world, and we offer a portfolio of services and tools to make adoption of our standards easier and more impactful to your business.

Check digit calculator
Calculate the correct check digit to confirm the integrity of your barcode number

Who owns this barcode?
Find contact information for companies linked to GS1 barcode numbers

Learn more about the GTIN
The Global Trade Item Number (GTIN) can be used by a company to uniquely identify all of its trade items