Labelmodule

Data Matrix generator

Data Matrix is a square 2D code that holds a lot of data in a small area, which is why it marks electronic parts, tools and medicine packs. Type any text; letters outside English are encoded as UTF-8.

Data Matrix barcode SN 2026-000184 / LOT 42

Size with quiet zones10.0 × 10.0 mm0.39 × 0.39 in

Fits a 38.1 × 21.2 mm label (A4, 65 per sheet) or 2 5/8 × 1 in (Letter, 30 per sheet).

Encoded: SN 2026-000184 / LOT 42

any text, up to 1,500 characters
Minimum 1
Download
Print many codes on label sheets
10.0 × 10.0 mm

How to use it

  1. Type the text: a serial number, part number, link or several fields separated by spaces or slashes.
  2. Choose the module size. 0.25–0.5 mm suits labels read by an imager; use 0.5 mm or more for phone cameras.
  3. Keep at least one module of white around the code (the generator does this) and print at 100%.

Size

The symbol grows in steps from 10 × 10 modules to 144 × 144 as you add data. The size under the code shows the result at the module you chose. A Data Matrix stays readable when up to about a quarter of it is damaged, thanks to built-in error correction.

Data Matrix or QR code?

For a small mark read by an industrial or handheld scanner, Data Matrix is more compact. For a code customers scan with a phone, use QR, which every phone camera reads.

Questions

Is this a GS1 DataMatrix?
No. This makes a standard Data Matrix with your text. GS1 DataMatrix (for healthcare and regulated products) uses Application Identifiers and FNC1; it is not offered here yet.
Can I put a URL in a Data Matrix?
Yes, but phone cameras open links from QR codes more reliably.