Barcode Generator

Generate scannable product barcodes.

Generate Code128, EAN13, UPC barcodes instantly. Free barcode maker with PNG download — no uploads.

Calculator Inputs

About Barcode

Generate scannable product barcodes.

Uses JsBarcode in-browser. No uploads.

Where it is used

Retail labels, inventory, libraries.

How to use the Barcode

  1. Text / Numbers — enter the value (e.g. 123456789012).
  2. Format — enter the value.
  3. Bar Width — enter the value (e.g. 2).
  4. Height (px) — enter the value (e.g. 100).
  5. Calculate — press the Calculate button to see the result instantly above.

Formula

JsBarcode Code128/EAN/UPC on canvas → PNG.

Examples

Example

text:123456789012
format:EAN13
width:2
height:100
Result: EAN13 barcode PNG

Frequently Asked Questions

Scanning?
Print at 300dpi, test with phone.