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Rectangular extension

Data Input

Enter data, then download.

Format: Any text

About the Data Matrix Rectangular Extension Barcode

The Data Matrix Rectangular Extension barcode belongs to the 2D Codes family. Rectangular extension. On this page you can generate Data Matrix Rectangular Extension barcodes directly in your browser: enter your data, watch the preview update in real time, then download the finished symbol as PNG or SVG. Rendering happens locally on your device — nothing you type is ever uploaded to a server.

Two-dimensional symbologies encode data in both directions and carry built-in Reed-Solomon error correction, so the symbol stays readable even when part of it is damaged. Because they can hold hundreds of characters, 2D codes are used for tickets, boarding passes, item tracking, and mobile payments. They are read by camera-based imagers rather than laser scanners.

Data Matrix Rectangular Extension codes are used for tickets, boarding passes, payment codes, electronic IDs, and small-item traceability. Because the data is fixed inside the symbol at generation time, a printed Data Matrix Rectangular Extension barcode keeps working indefinitely — there is no service behind it, no expiry date, and no per-scan fee.

Data Matrix Rectangular Extension Data Format & Rules

Data Matrix Rectangular Extension Barcode — Frequently Asked Questions

Is the Data Matrix Rectangular Extension barcode generator free?

Yes. You can generate and download Data Matrix Rectangular Extension barcodes for free, with no sign-up and no watermark. Generation runs entirely in your browser — your data is never uploaded.

What data can I encode in a Data Matrix Rectangular Extension barcode?

Any text. For example: ABC-1234. If your data does not match the expected format, the encoder will show an error instead of producing a symbol that cannot scan.

Which download formats are supported?

PNG for screens and documents, and SVG for unlimited-quality print and design work. Both formats are rendered locally in your browser.

Does a Data Matrix Rectangular Extension barcode expire?

No. The barcode is a fixed image of the data you entered — it keeps scanning for as long as the print or display lasts. If your data changes, simply generate a new barcode.

More 2D Codes Barcode Types

Need a different symbology? Every type below has its own generator page with the same browser-based, no-signup workflow. Looking for the long-form reference instead? Read the Data Matrix Rectangular Extension guide, or generate many codes at once with the bulk barcode generator.