Codabar barcode generator

Create Codabar barcodes for library cards, blood banks and lab labels.

Free · no watermark
Runs in your browser

1 · Formattype: 'codabar'

Retail

Logistics

Industrial

2 · Data

Digits and - $ : / . +, wrapped in A–D start/stop

Ready — 7 characters encoded

3 · Bars

Bar height60 px

Module width

Quiet zone10 px · 5.0 X

4 · Text

Font size14 px

5 · Color

Bars

Background

6 · Rotation

Live previewCodabar

100%

Modules: 87
X-dimension: 0.412 mm
Size: 40.0 × 21.9 mm
Status: Valid

Export

Print widthheight 21.9 mm

Vector · best for print · 40.0 mm wide

Specs

Check digit: None (self-checking)
Quiet zone: 5.0 X
Bar height: 12.4 mm
Human text: Below

etiket · label.ts

import { barcode } from 'etiket'

const svg = barcode('A40156B', {
  type: 'codabar',
  height: 60,
  barWidth: 2,
  showText: true,
  textPosition: 'bottom',
  fontSize: 14,
  margin: 10,
  background: '#FFFFFF',
})

What is a Codabar barcode?

Codabar encodes digits and six symbols between start and stop letters A–D. It is easy to print, even on dot-matrix printers, and remains common on library cards, blood-bank bags and photo-lab envelopes.

Data

Variable length

Characters

0–9 and - $ : / . +, framed by A–D start/stop characters.

Check digit

None (self-checking)

Print size

Variable; wide-to-narrow ratio between 2.5:1 and 3:1

Used for

Libraries, blood banks, labs

How to create a Codabar barcode

Enter your data

Type or paste the text to encode — digits and - $ : / . +, wrapped in A–D start/stop.

Adjust bars and text

Set bar height, module width and quiet zone, and choose whether to print the human-readable text.

Set the print size

Enter the final width in mm, cm, inches or pixels. The X-dimension and height update as you type.

Download and test

Export SVG for print or PNG at 300–600 dpi, then run a test scan before you print a full batch.

Codabar barcode generator

What is a Codabar barcode?

How to create a Codabar barcode

Codabar questions