๐ Files & Format
Barcode Generator (EAN/UPC/Code128)
Generate EAN-13, UPC-A and Code 128. All calculations run locally in your browser โ free, instant and private.
๐ท๏ธ Barcode type
๐ก Check digits are auto-computed for EAN-13 / UPC-A / ITF-14 / ISBN-13. Official retail barcodes must be GS1-registered; this tool is for internal use, proofs and licensed prefixes.
๐ Barcode Guide
EAN-13 vs UPC-A vs Code128
EAN-13 is the global retail standard (13 digits, China GS1 prefixes 690โ699); UPC-A is the 12-digit North American version used for Amazon US listings; Code128 handles alphanumeric strings for tracking numbers, warehouse locations and carton serials. The last digit is a modulo-10 check digit โ this tool auto-computes it from your input.
Printing tips
Official retail barcodes must be registered through GS1 โ this generator is for internal use, proofs and companies that already own a prefix. Print at โฅ80% magnification (โ29.8ร20 mm), keep the quiet zone โฅ2.5 mm on each side, and test-scan before mass production. The SVG export scales losslessly for print shops.
โ FAQ
Does Amazon require a UPC?
Amazon US generally requires UPC/EAN unless you obtain a GTIN exemption. Barcodes must come from GS1 โ unregistered codes fail brand-registry checks.
Can EAN-13 and UPC-A be interchanged?
A UPC-A is an EAN-13 with a leading zero. Modern scanners read both; pick by market convention.