Free GTIN Tool
Barcode Structure & GTIN Validator
Test any 12-digit UPC or 13-digit EAN to verify structural checksum validity.
Guaranteed valid barcodes
UPCBay pre-audits all legacy prefixes so your listings pass GTIN verification smoothly.
Test any 12-digit UPC or 13-digit EAN to verify structural checksum validity.
UPCBay pre-audits all legacy prefixes so your listings pass GTIN verification smoothly.