| Format | Character Set | Length | Use Cases |
|---|---|---|---|
| Code 128 | ASCII 32~126 | Variable length | Logistics, packages, general encoding |
| EAN-13 | Numbers only | 13 digits (incl. check digit) | International product barcode |
| EAN-8 | Numbers only | 8 digits (incl. check digit) | Small product barcode |
| Code 39 | A-Z 0-9 and - . $ / + % space | Variable length | Industrial, military, medical |