The BarcodeReport blog

BarcodeReport Blog

Expert insights on barcode lookup, product identification, and inventory management

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Barcode Basics Nov 10, 2026

GTIN-8, GTIN-12, GTIN-13 and GTIN-14 are one family of numbers. Here's how they nest, how case codes are built, and when...

UPC EAN

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E-commerce Oct 29, 2026

Amazon validates UPCs against GS1 and removes listings that don't match. Here's when you need a GTIN, who qualifies for...

UPC Barcode Lookup

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