boombuler/barcode

a barcode creation lib for golang

Go

1,562

147 commits

updated Oct 11, 2026

See the code

README

Join the chat at https://gitter.im/golang-barcode/Lobby

Introduction

This is a package for GO which can be used to create different types of barcodes.

Supported Barcode Types

  • 2 of 5
  • Aztec Code
  • Codabar
  • Code 128
  • Code 39
  • Code 93
  • Datamatrix
  • EAN 13
  • EAN 8
  • PDF 417
  • QR Code

Example

This is a simple example on how to create a QR-Code and write it to a png-file

package main

import (
	"image/png"
	"os"

	"github.com/boombuler/barcode"
	"github.com/boombuler/barcode/qr"
)

func main() {
	// Create the barcode
	qrCode, _ := qr.Encode("Hello World", qr.M, qr.Auto)

	// Scale the barcode to 200x200 pixels
	qrCode, _ = barcode.Scale(qrCode, 200, 200)

	// create the output file
	file, _ := os.Create("qrcode.png")
	defer file.Close()

	// encode the barcode as png
	png.Encode(file, qrCode)
}

Documentation

See GoDoc

To create a barcode use the Encode function from one of the subpackages.

aztec-code
barcode
codabar
code128
code39
code93
datamatrix
ean13
ean8
go
golang
pdf417
qrcode
qrcode-generator

Project health

Overall

5.2/10

Maintained

9/10

Code review

5/10
OpenSSF Scorecard

Latest release

v1.1.0 · Jul 22, 2025

Releases this year

0

Significant stargazers

Ben Johnson

4,328 followers · starred Apr 2019

Masahiro Wakame

885 followers · starred Nov 2019

Nikola Ubavić

94 followers · starred Dec 2025

Tom Thorogood

126 followers · starred May 2025

boombuler/barcode

a barcode creation lib for golang

Go

1,562

147 commits

updated Oct 11, 2026

See the code

README

Join the chat at https://gitter.im/golang-barcode/Lobby

Introduction

This is a package for GO which can be used to create different types of barcodes.

Supported Barcode Types

  • 2 of 5
  • Aztec Code
  • Codabar
  • Code 128
  • Code 39
  • Code 93
  • Datamatrix
  • EAN 13
  • EAN 8
  • PDF 417
  • QR Code

Example

This is a simple example on how to create a QR-Code and write it to a png-file

package main

import (
	"image/png"
	"os"

	"github.com/boombuler/barcode"
	"github.com/boombuler/barcode/qr"
)

func main() {
	// Create the barcode
	qrCode, _ := qr.Encode("Hello World", qr.M, qr.Auto)

	// Scale the barcode to 200x200 pixels
	qrCode, _ = barcode.Scale(qrCode, 200, 200)

	// create the output file
	file, _ := os.Create("qrcode.png")
	defer file.Close()

	// encode the barcode as png
	png.Encode(file, qrCode)
}

Documentation

See GoDoc

To create a barcode use the Encode function from one of the subpackages.

aztec-code
barcode
codabar
code128
code39
code93
datamatrix
ean13
ean8
go
golang
pdf417
qrcode
qrcode-generator

Project health

Overall

5.2/10

Maintained

9/10

Code review

5/10
OpenSSF Scorecard

Latest release

v1.1.0 · Jul 22, 2025

Releases this year

0

Significant stargazers

Ben Johnson

4,328 followers · starred Apr 2019

Masahiro Wakame

885 followers · starred Nov 2019

Nikola Ubavić

94 followers · starred Dec 2025

Tom Thorogood

126 followers · starred May 2025