What is UPC-A for Amazon (FBA)?
To list a new product on Amazon US you need a valid GTIN, and for most physical products that means a UPC-A barcode from GS1 (or an approved reseller). Amazon uses the UPC to identify the product in its catalog, and sellers shipping into FBA print scannable barcodes on each unit. This tool generates the UPC-A label artwork - the number itself must be a legitimate one you own so it never collides with another listing.
Common Uses for UPC-A for Amazon (FBA)
- Creating new product listings on Amazon US with a UPC-A GTIN
- FBA unit labels where the seller uses UPC-A for identification
- Private-label and wholesale products sold through Amazon
- Retail packaging that is also sold in physical stores
Reference
Frequently Asked Questions
Do I need a real UPC for Amazon?
Yes. Amazon requires a legitimate GS1 UPC-A (or EAN) to create most new listings. Barcodes from unverified online sellers risk being rejected or removed.
What is the difference between UPC and FNSKU on Amazon?
The UPC identifies your product in the catalog. For FBA, Amazon also prints an FNSKU label on each unit for warehouse scanning - some sellers use the FNSKU instead of the UPC on unit labels, but the listing still needs a valid UPC.
How many digits is a UPC-A?
UPC-A has 11 data digits plus 1 auto-calculated check digit - 12 in total. Enter 11 digits and the tool computes the 12th.
Can I generate UPC-A barcodes for many products?
Yes, list each product's UPC and generate a full sheet of scannable label artwork.
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