Barcode Generator

CODE128 Barcode

Standard high-density alphanumeric layout.

Barcode Content

EAN-13 Barcode

International standard retail format (12-13 digits).

12 or 13 Digit Numeric Code

UPC-A Barcode

Standard North American retail tag (11-12 digits).

11 or 12 Digit Numeric Code

Code 39 Barcode

Legacy alphanumeric syntax for inventory systems.

Capital Letters, Numbers, Space

ITF Barcode

Interleaved 2 of 5 shipping container layout (Even digits).

Numeric Code (Even number of digits)

Frequently Asked Questions

What is CODE128 used for?

CODE128 is a highly compact, versatile barcode standard capable of encoding all 128 ASCII characters, universally applied across shipping, logistics, and supply chains.

Why does my EAN-13 or UPC-A barcode show an error?

EAN-13 requires exactly 12 or 13 numeric digits, and UPC-A requires 11 or 12 numeric digits. Passing letters, symbols, or incorrect lengths will cause formatting validation errors.

Can these codes be scanned by standard phone apps?

Yes. All generated assets align natively with official GS1 and ISO encoding guidelines for hardware and software optical scanner hardware compatibility.

About This Barcode Generator

This free utilities workbench generates 1D barcodes inside your web browser engine environment with clean, responsive, edge-to-edge scannable graphics.

All layouts render instantly on client side. No signups, background telemetry tracking databases, or active account configurations needed.