Barcode Generator
Generate customizable CODE128, EAN, UPC, CODE39, ITF, and MSI barcodes.
Processing happens locally in your browser. Your files and inputs are not uploaded to our servers.
How to use Barcode Generator
- Enter the value and select a supported barcode format.
- Adjust width, height, margin, and visible-text settings.
- Generate the barcode and download the SVG.
What Barcode Generator does
A barcode encodes text or digits as a machine-readable pattern. Supported formats apply different character and checksum rules, so invalid values are reported before download.
Examples
- Create a CODE128 label for an internal identifier.
- Generate EAN-13 when you already have a correctly structured product number.
- Download a scalable SVG barcode for print layout.
Frequently asked questions
Is my input uploaded?
No. This tool processes its input locally in your browser. Normal page requests do not include the contents you enter or select.
Can I invent a retail EAN or UPC number?
The renderer can draw validly structured values, but official retail identifiers must be assigned and managed through the appropriate standards organization.
Will it work in every browser?
The tool uses modern browser APIs. Current Chromium, Firefox, and Safari releases provide the best support; the page displays a clear error when a required capability is unavailable.