Barcodes & QR Industrial Standard

Generate Standard Code 39 Barcodes Online

Create classic 3-of-9 barcodes widely utilized across defense, automotive, government identification, and badge systems.

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Quick Answer / Summary

Code 39 (also known as Alpha39 or 3 of 9) encodes 43 characters (0-9, A-Z, and special characters). It uses 9 elements per character with distinct start/stop framing asterisks.

Key Capabilities & Benefits

Self-checking discrete symbology
Universal compatibility with legacy hardware
Clean human-readable font caption
Instant PDF/PNG export

How to Use Generate Standard Code 39 Barcodes Online (Step-by-Step)

1
Input Alphanumeric Text

Enter uppercase letters, numbers, or symbols.

2
Render Barcode

Our generator renders accurate optical bar ratios.

3
Export & Print

Print directly to label sheets or thermal printers.

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Technical Specifications & Limits

Symbology ISO/IEC 16388 (Code 39)
Supported Characters 0-9, A-Z, -, ., $, /, +, %, [Space]

Frequently Asked Questions

Standard Code 39 supports uppercase A-Z. For full lowercase support, consider Code 128 or Code 93.
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