Code 39 / Code 93
Code 39 and Code 93 are widely used linear barcodes, particularly in automotive and defense industries.
Basic Usage
using CodeGlyphX;
// Code 39
Barcode.Save(BarcodeType.Code39, "HELLO-123", "code39.png");
// Code 93 (more compact)
Barcode.Save(BarcodeType.Code93, "HELLO-123", "code93.png");
Valid Characters
Code 39 supports: A-Z, 0-9, -, ., $, /, +, %, SPACE
Note: Lowercase letters are automatically converted to uppercase.
Comparison
| Feature | Code 39 | Code 93 |
|---|---|---|
| Density | Lower | ~40% more compact |
| Checksum | Optional | Mandatory (2 chars) |
| Industry | Automotive, Defense | Logistics, Postal |