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Code 39 Barcode Generator & ReaderCode 3 of 9 / MIL-STD

Generate alphanumeric Code 39 1D barcodes used in inventory and defense, and scan/decode Code 39 barcode images.

Presets:
Rendered Barcode High Vector Quality
CODE39-PART-1234

Technical Specifications Guide

FeatureSpecificationPrimary Use Cases
Structure9 Elements per Character (3 wide, 6 narrow)Industrial & Automotive Component Tagging
DelimitersAsterisk (*) Start and Stop charactersMIL-STD-129 Defense Logistics
Character Set43 Alphanumeric Characters (A-Z, 0-9, - . $ / + % space)Self-checking 1D barcode
FAQ

Frequently Asked Questions

Everything you need to know about this tool

Code 39 (also known as Alpha39 or Code 3 of 9) is an alphanumeric 1D barcode symbology used widely in defense (MIL-STD-129), automotive, and industrial inventory. It starts and ends with an asterisk (*) delimiter.
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