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Data Matrix vs QR Code: Differences and When to Use Each

Data Matrix and QR codes compared: size, capacity, error correction, who scans them and which industries require each.

· 2 min read

Both are 2D codes that store data in a grid of squares, but they are built for different jobs.

Data MatrixQR code
Best atTiny markings, industry, healthcareConsumer marketing
Phone camerasNeed an app on many phonesRead natively
Smallest sizeA few millimetersAbout 2 cm for phones
Finder patternL-shaped borderThree corner squares
StandardsGS1 DataMatrix for pharma and UDIGS1 Digital Link, marketing

Choose Data Matrix when

You mark small parts, circuit boards or medical products, or a regulation or customer requires GS1 DataMatrix.

Choose QR when

The person scanning is a customer with a phone.

Maximum numeric digits per symbol
QR code7,089Aztec3,832Data Matrix3,116PDF4172,710

Maximum capacities from each symbology standard (largest version, lowest error correction).

Make it yourself in under a minute

  1. Open the generator

    The Data Matrix code generator opens with the right code type already selected.

  2. Enter your data

    Type your number or text. Check digits are added automatically and invalid data is flagged.

  3. Adjust the layout

    Set bar height, quiet zone and whether to show the human-readable text.

  4. Download and print

    Download a PNG for free. Print black bars on white and keep the margins clear.

Data Matrix code generator →
Example result: a scannable Data Matrix code generator output
End result. A real, scannable example made with the generator. Yours will hold your own content.

Quick answers

Is Data Matrix more secure than QR?

No. Neither is encrypted; both just store data. Security depends on what the data points to.

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