Free barcode tools

Data Matrix Barcode Generator

Create Data Matrix barcodes for parts, products and small labels, including GS1 codes with GTIN, lot and expiry. No software to install and no sign-up needed. Fully private: we never see or store your data.

Data Matrix code
Any text, numbers or symbols, up to about 1,500 characters. Data Matrix stays readable when printed very small.
Options
Rectangular codes fit narrow spaces like cable tags, test tubes and the edge of a part. They hold less data.
Keep a dark code on a light background for reliable scanning. Transparent applies to PNG and SVG.
Preview & download
Use SVG for print - it stays sharp at any size.
Opens the Barcode Label Designer with this code, so you can add text, other barcodes and your logo, then print.

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