Data Matrix, QR, Aztec and Code 128 barcode creation by open source JavaScript program or office macros. Demonstration example page at GitHub

• Creates Data Matrix in square or rectangular pattern.
• Creates QR or micro QR barcode symbols.
• Creates Aztec, compact Aztec or Aztec rune barcodes.
• Creates PDF417, compact PDF417 or micro PDF417 barcodes.
• HTML, canvas, Scalable Vector Graphic or PNG/GIF pixel image output.
• One short and compact program for all barcodes.
• Available for office programs Excel, Access and Calc.
• Automatic mode encoding and barcode size selection.
• Algorithm could be easily adapted to individual requirements.
• Free and open-source software program under MIT license.
• size optimization for mixed data types in one symbol.
• no handling of special codes like FNC1 or ECI.

• Universal: runs on every browser, operating system or platform.
• Flexible: outputs vector or pixel images in adjustable design.
• Adaptable: modify or convert simple source code to your own desire.

The algorithm is available as Jasvascript: barcode.js.

For MS Office it is available as Excel: barcode.xlsm and Access: barcode.accdb.

And for Open/LibreOffice it is available as Calc: barcode.ods.

Go do something cool with it.

BarMatrixCode The Bar- and Matrixcode information (german)

Wikipedia Data Matrix

ISO/IEC 16022:2006, Data Matrix barcode symbology specification (CHF 198.-)

Grandzebu Accueil, The Datamatrix code

Barcode Coder, Data Matrix specification

American Mathematical Society, Crypto Graphics

Wikipedia QR code

Denso Wave, the Inventor of QR Code

ISO/IEC 18004:2006, QR Code 2005 barcode symbology specification (CHF 198.-)

Wikiversity, Reed-Solomon codes for coders

Thonky QR Code Tutorial

RedTitan

Wikipedia Aztec code

ISO/IEC 24778:2008, Aztec Code barcode symbology specification (CHF 158.-)

Rit Service (web archive)

Barcode Writer in Pure PostScript

Zint Barcode Generator