About this tool
Barcode Generator helps when you need a clean machine-readable code for product labels, inventory sheets, packaging mockups, event items, or internal operations. It supports common linear barcode formats and keeps the output workflow simple.
Supported barcode types
Use CODE128 for flexible alphanumeric barcodes and common internal workflows. Use EAN-13, EAN-8, or UPC-A when you need a more standardized numeric format often used in retail and packaging.
Different formats have strict content rules, so the tool validates the input and shows an error when the value does not match the selected barcode type.
- CODE128 works well for general labels and internal tracking.
- EAN and UPC formats are best for standardized numeric codes.
- SVG output is useful for print and design tools, while PNG works well for quick sharing.
Best practices
Keep strong contrast between the bars and the background, and avoid squeezing the barcode too small when printing. If a scanner will read the code in the real world, test it on the actual label size before final production.
When using retail-style formats, verify that the code length and numbering scheme match your actual system rather than generating placeholder values for live packaging.
Frequently asked questions
Can I download the barcode as SVG or PNG?
Yes. The tool supports downloading the generated barcode as SVG for scalable output or PNG for quick image use.
What happens if the number is invalid for the selected format?
The generator will show an error instead of producing an invalid barcode so you can correct the content or switch formats.
Should I use CODE128 or EAN/UPC?
Use CODE128 for flexible general-purpose labels, and use EAN or UPC when you need a standardized retail-style numeric barcode format.