Barcodes Wiki

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Barcode Standards

Barcode Standards

Properties1

description

Formats, structure, and validation rules for major barcode types.

Sep 09, 20261 min read

Formats

GTIN-13
GTIN-12
GTIN overview
ISBN
GTIN-14
GS1-128
QR codes and 2D barcodes

Mechanics

Prefixes and number ranges
Check digits
Formatting and display
Validation rules

11 items under this folder.

Sep 23, 2026
Barcode validation rules
Sep 22, 2026
UPC-A / GTIN-12
Sep 22, 2026
QR codes and retail 2D barcodes
Sep 22, 2026
Barcode prefixes and number ranges
Sep 21, 2026
ITF-14 / GTIN-14 Carton Barcodes
Sep 21, 2026
ISBN and book barcodes
Sep 09, 2026
GTIN overview
Sep 09, 2026
GS1-128
Sep 09, 2026
Barcode formatting and human-readable numbers
Sep 07, 2026
EAN-13 / GTIN-13
Sep 02, 2026
Check digits explained

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