Technical Specifications - Code 39
[0-9] means the numbers between 0 and 9 are supported.
[A-Z] means the letters between A and Z are supported.
Supports[0-9], [A-Z], - . $ / + % [SPACE]
- Commonly used, many uses
- Optional checksum number
- Resulting barcode is large
Barcode Bakery Supports
|Specific to Node.js package|
|Node 14+, Canvas 2+|