Code 128 / GS1-128

Code 128 is a high-density linear barcode supporting the full ASCII character set. GS1-128 is an application standard that uses Code 128.

Basic Usage

using CodeGlyphX;

// Code 128
Barcode.Save(BarcodeType.Code128, "PRODUCT-12345", "code128.png");

// GS1-128 with Application Identifiers
Barcode.Save(BarcodeType.Gs1128, "(01)09501101530003(17)250101", "gs1.png");

Character Sets

Set	Characters	Best For
`A`	A-Z, 0-9, control chars	Alphanumeric with controls
`B`	A-Z, a-z, 0-9, symbols	General text (most common)
`C`	00-99 (digit pairs)	Numeric data (most compact)