Barcode Generator

Create print-ready barcodes anywhere

Generate QR codes, Data Matrix, GS1-128, EAN/UPC and 20 more formats as crisp SVG or PNG, in the browser, in Node.js, from the command line, or over REST.

Try it in the demo Read the docs

Type anything

26 formats

From QR and Data Matrix to MaxiCode, DataBar Expanded and Telepen.

GS1 encoding

Pass (01)…(17)… element strings and get correct FNC1 encoding for GS1-128, Data Matrix and QR.

SVG, PNG, matrix

Vector output for print, PNG for images, and the raw module matrix for custom rendering.

Styling

Colors, transparent backgrounds, human-readable text, quiet zones and rotation.

Validated

Readable errors for bad input, such as letters in an EAN or the wrong length for a UPC.

Server-side too

qrgen generate on the CLI, GET /v1/generate over REST, and Python and Swift APIs.

For developers

A few lines of code

Drop in the pre-built component or build your own UI on the same engine.

Output options

Formats: SVG (with viewBox), PNG, module matrix, terminal text
QR options: Error correction L/M/Q/H, version, quiet zone
Linear options: Human-readable text, module size, rotation
Colors: Any foreground/background, or a transparent background

import { generate } from "qrgen-sdk";

const { svg } = await generate("(01)09501101530003(17)271231(10)LOT4815", {
  symbology: "data-matrix",
  gs1: true,
  scale: 6,
});

<qrgen-barcode value="https://example.com" symbology="qr" ec-level="M" style="width:180px"></qrgen-barcode>
<qrgen-barcode value="5901234123457" symbology="ean13" hrt></qrgen-barcode>

npx qrgen generate "5901234123457" --symbology ean13 --hrt -o ean.svg
npx qrgen generate "WIFI:T:WPA;S:Cafe;P:espresso;;" -o wifi.png

Use cases

Where teams use barcode generator

Shipping and GS1 logistics labels
Product packaging (EAN/UPC)
Event tickets and boarding passes
Wi-Fi, vCard and payment QR codes
Asset tags and inventory labels
Healthcare UDI labels

Try barcode generator now

Open the demo on your phone, or let your coding agent add it to your app.

Open the demo Agent Skills