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Libre Barcode Project

graphicore.github.io|251 points|41 comments|by luu|Jun 26, 2026

The Libre Barcode Project

The Libre Barcode Project provides a collection of specialized fonts designed to let users generate barcodes directly within their documents. These fonts support several industry standards, allowing for the creation of barcodes manually automatically, with the option to include or omit the human-readable text beneath the bars.

Supported Barcode Standards

FormatDescription
Code 39A widely used alphanumeric barcode.
Code 128A high-density alphanumeric barcode.
EAN/UPCStandard formats for retail products.

For detailed setup and usage guides, please refer to the dedicated pages for each format.


The Code 128 Encoder

To facilitate the use of the Libre Barcode 128 font, a specific encoding tool is available.

Note: The Code 128 Encoder remains at its original URL to ensure that all legacy links continue to function correctly.

How it Works

The process follows a simple mathematical transformation: Plain TextEncoding AlgorithmBarcode String\text{Plain Text} \xrightarrow{\text{Encoding Algorithm}} \text{Barcode String}

Workflow Diagram:

Usage Steps:

  • Input your desired text into the field.
  • Verify the scannable barcode (rendered via the Libre Barcode 128 Text font).
  • Copy the resulting encoded string.

Example Input:

Hello World 123

Visual Representation: Barcode Placeholder

Once you have the encoded text, you can paste it into your editor and apply the corresponding Libre Barcode 128 font to produce a professional, scannable result.