Code 128 barcode generator

Create Code 128 barcodes for shipping labels, Amazon FNSKU, asset tags and inventory — letters, numbers and symbols.

Free · no watermark
Runs in your browser

1 · Formattype: 'code128'

Retail

Logistics

Industrial

2 · Data

Any printable ASCII, up to 48 characters

Ready — 13 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 previewCode 128

100%

Modules: 167
X-dimension: 0.282 mm
Size: 50.0 × 15.0 mm
Status: Valid

Export

Print widthheight 15.0 mm

Vector · best for print · 50.0 mm wide

Specs

Check digit: Mod 103, built in
Quiet zone: 5.0 X
Bar height: 8.5 mm
Human text: Below

etiket · label.ts

import { barcode } from 'etiket'

const svg = barcode('BFX-2026-0042', {
  type: 'code128',
  height: 60,
  barWidth: 2,
  showText: true,
  textPosition: 'bottom',
  fontSize: 14,
  margin: 10,
  background: '#FFFFFF',
})

What is a Code 128 barcode?

Code 128 is a high-density barcode that encodes all 128 ASCII characters: letters, digits and symbols. It is the default choice for shipping labels, Amazon FNSKU labels, asset tags and any internal code that mixes letters and numbers.

Data

Variable length, up to 48 characters here

Characters

Any printable ASCII character — A–Z, a–z, 0–9 and symbols.

Check digit

Mod 103, built in

Print size

Variable; keep the X-dimension at 0.25 mm or more and a quiet zone of 10X on each side

Used for

Shipping, FNSKU, asset tags, SKUs

How to create a Code 128 barcode

Enter your data

Type or paste the text to encode — any printable ASCII, up to 48 characters.

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.

Code 128 barcode generator

What is a Code 128 barcode?

How to create a Code 128 barcode

Code 128 questions