Codabar

Codabar Barcode Generator

Q: Does Codabar have a check digit?

Standard Codabar has no mandatory check digit; some industries (like libraries) add their own. This tool encodes your content as entered.

Q: Why is Codabar less common now?

It's older and lower-density, so most new use cases moved to Code 128. But blood banks and legacy library systems still rely on it, so we keep this tool.

Create Codabar barcodes used in medical, blood banks and libraries — generated locally, no upload, no signup.

qrdiv's free Codabar barcode generator encodes digits and a few symbols into the 1D code common in healthcare and libraries. Everything is generated locally in your browser — no upload, no signup — with PNG/SVG/PDF/EPS downloads.

Generate your barcode

Fill in the fields on the left, preview live on the right, and download in multiple formats.

Content

Appearance (color / size)

Live preview

Fill in the content, then generate

Download

Scannability check

Quiet zone, module size and contrast are checked after you generate.

Why use Codabar

Self-containedSimple structure that can be printed discretely and concatenated — number things without an online database.

Medical & librariesStill used on blood bags, courier slips and library cards.

Local, no uploadContent is encoded in your browser, never sent to a server — works offline.

Vector downloadSVG/PDF/EPS vectors stay sharp for label printing, all watermark-free.

FAQ

Which characters does Codabar support?

Digits 0-9 and the symbols - $ : / . + , with optional A, B, C or D as start/stop characters.

Does Codabar have a check digit?

Why is Codabar less common now?