Data Matrix, PDF417 and Aztec codes in PDF

The industrial, document and ticketing 2D codes, including rectangular Data Matrix, share one style block that works across types.

Industrial, document and ticketing 2D symbologies, rectangular Data Matrix, and a style block written for QR that keeps working when you switch the type.

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Markdown · 36 lines
# 2D matrix symbologies

Data Matrix, the mark on electronics, surgical instruments and medicine packs:

```barcode
type: datamatrix
data: 01095011010209171719050810ABCD1234
module-shape: rounded
module-color: #1a3a8f
```

A rectangular Data Matrix fits on the edge of a component:

```barcode
type: datamatrix
data: SN 2026-04-A7731
dm-shape: rectangle
```

PDF417, used on boarding passes, driving licenses and shipping documents, with the error-correction level chosen:

```barcode
type: pdf417
data: M1OKAFOR/AMARA EABC123 AMSNRTKL 0861 104Y012A0042 100
ec: 4
width: 320
```

Aztec, read on train and event tickets, with at least 25 per cent error correction:

```barcode
type: aztec
data: TKT-2026-09-15-ROW-F-SEAT-12
ec: 25
module-color: #7c2d12
```

Rendered pages

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  1. Data Matrix, PDF417, Aztec, page 1 of 1

The sample documents describe invented organizations in several countries. All names and figures are illustrative.

Barcodes and QR codes in Markdown to PDF: every sampleIn the Markdown reference