Free Data Matrix barcode generator
Type a part or serial, click Generate, and get a Data Matrix square on a small tag.
Data Matrix
A 2D square for tiny parts, PCB labels, and electronics. Denser than QR on a 1×1.
Opens the free label maker with your Data Matrix already on the canvas.
Data Matrix vs QR
Use Data Matrix on small industrial parts. Use QR when a phone should open a URL. Data Matrix is denser on a 1×1 or 0.75 inch tag. The first draw may load a small script in the browser.
How to generate a Data Matrix code
- Type the part or serial value above.
- Click Generate. The Data Matrix square appears on the canvas.
- Keep it large enough for your scanner (often at least 0.3 inch).
- Print on the part tag.
FAQ
Will a phone scan Data Matrix?
Some phone cameras do. Shop-floor scanners that are set up for Data Matrix are the usual path. For customer-facing links, use QR.
Do I need an account?
No. Click Generate. The free label maker opens with your data already on the canvas. Work stays in this browser.
Can I open a label that is already filled in?
Yes. A link with the value already in it opens the maker with the barcode on the canvas. Example: https://app.mylabelmaker.com/?tool=barcode&format=DATAMATRIX&value=SKU-1001. Spaces in the value show as %20 in the link. No signup.