What barcode format should I use?

For retail product scanning, use EAN-13 or UPC-A. For general data encoding, use Code 128. For URLs and mobile scanning, use QR Code. For small spaces requiring high data density, use DataMatrix.

Can I use the generated barcodes commercially?

Yes. The generated barcode images are yours to use for any purpose. Ensure your barcode data complies with any relevant industry standards or registration requirements for your use case.

What resolution should I use for print?

Download as SVG for resolution-independent print use. If you need PNG, ensure the dimensions give at least 300 DPI at the intended print size.

Best Free Online Barcode Generator

Barcodes are essential in retail, logistics, inventory management, document tracking, and many other industries. devtoolkit.sh's Barcode Generator supports the most widely used 1D barcode formats including Code 128, EAN-13, UPC-A, and Code 39, as well as 2D formats including QR Code and DataMatrix. Enter your data, select the format, and download the barcode as an SVG or PNG image ready for print or digital use. The tool validates your input against format-specific rules (such as digit count for EAN-13) and shows a live preview. Generation happens entirely in your browser.

Text (printable ASCII)

Show text below barcode

Code 128B — encodes printable ASCII (space through tilde). Includes weighted modulo-103 checksum.

FAQ

What barcode format should I use?: For retail product scanning, use EAN-13 or UPC-A. For general data encoding, use Code 128. For URLs and mobile scanning, use QR Code. For small spaces requiring high data density, use DataMatrix.
Can I use the generated barcodes commercially?: Yes. The generated barcode images are yours to use for any purpose. Ensure your barcode data complies with any relevant industry standards or registration requirements for your use case.
What resolution should I use for print?: Download as SVG for resolution-independent print use. If you need PNG, ensure the dimensions give at least 300 DPI at the intended print size.