Generators

Barcode Generator

Generate barcodes in various formats (Code128, EAN, UPC, etc.)

Value

Format

Bar Width2

Bar Height80px

Font Size16px

Margin10px

Bg Color

Bar Color

Show textAdd check digit

About

Generates barcodes in Code 128, EAN-13, UPC-A, QR Code, Data Matrix, and PDF417 formats. Customize size, color, and text display options. Download as SVG or PNG with batch generation support.

Barcodes bridge physical products with digital systems. This tool provides instant barcode generation without external dependencies or paid software.

Who should use this tool?

E-commerce developers, inventory managers, product designers, and anyone needing to generate barcodes for labels, packaging, or tracking systems.

Common use cases

Generate EAN-13 barcodes for retail product packaging
Create Code 128 barcodes for warehouse inventory tracking
Generate UPC-A barcodes for North American retail products
Create PDF417 barcodes for shipping labels and ID cards
Batch generate multiple barcodes for product catalogs
Design QR Code barcodes for digital product packaging

How to Use

Select the barcode symbology from the dropdown (Code 128, EAN-13, UPC-A, QR Code, etc.)

Enter the data to encode — numeric only for EAN/UPC, alphanumeric for Code 128 and QR

Customize appearance: bar color, background color, text label, width, and height

Click Generate and preview the barcode; ensure it scans correctly with a barcode scanner app

Download as SVG (vector) for print or PNG (raster) for web

Use batch mode to generate multiple barcodes at once with sequential data

Examples

Input: Code 128, Data "ABC-12345", Black bars, White background -> Output: SVG barcode image that scans as "ABC-12345"

Input: EAN-13, Data "590123456789" -> Output: EAN-13 barcode with checksum digit, ready for retail packaging

Best Practices

Always test generated barcodes with a real scanner before production use
Use SVG format for print applications to ensure crisp output at any size
Include human-readable text below the barcode for fallback identification
Ensure sufficient quiet zone (white space) around the barcode — minimum 10x the module width
Match the barcode symbology to your industry standard (EAN for retail, Code 128 for logistics)

Common Mistakes

Using the wrong symbology for the data type (e.g., putting letters in a numeric-only format)
Making barcodes too small for reliable scanning — minimum size varies by symbology
Forgetting the quiet zone around the barcode, causing scanning failures
Not verifying the checksum digit (most formats calculate this automatically)
Using low contrast colors that barcode scanners cannot distinguish

FAQ

What is the difference between EAN-13 and UPC-A?

EAN-13 is used globally with 13 digits; UPC-A is the North American standard with 12 digits. They are interchangeable with a leading zero.

Can I generate QR codes instead of linear barcodes?

Yes, select QR Code from the symbology dropdown for matrix-style 2D barcodes.

What is the quiet zone?

The blank margin around the barcode required for reliable scanning. Minimum 10x the narrow bar width on each side.

Are the barcodes compliant with GS1 standards?

Yes, the generated barcodes follow GS1 specifications for retail and logistics use.

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Learning Resources

Dive deeper with our comprehensive guides and tutorials.

Barcode Generator - Beginner's Guide

5 min read

Barcode Generator Advanced Techniques

8 min read

About

Generates barcodes in Code 128, EAN-13, UPC-A, QR Code, Data Matrix, and PDF417 formats. Customize size, color, and text display options. Download as SVG or PNG with batch generation support.

Barcodes bridge physical products with digital systems. This tool provides instant barcode generation without external dependencies or paid software.

Who should use this tool?

E-commerce developers, inventory managers, product designers, and anyone needing to generate barcodes for labels, packaging, or tracking systems.

Common use cases

Generate EAN-13 barcodes for retail product packaging
Create Code 128 barcodes for warehouse inventory tracking
Generate UPC-A barcodes for North American retail products
Create PDF417 barcodes for shipping labels and ID cards
Batch generate multiple barcodes for product catalogs
Design QR Code barcodes for digital product packaging

How to Use

Select the barcode symbology from the dropdown (Code 128, EAN-13, UPC-A, QR Code, etc.)

Enter the data to encode — numeric only for EAN/UPC, alphanumeric for Code 128 and QR

Customize appearance: bar color, background color, text label, width, and height

Click Generate and preview the barcode; ensure it scans correctly with a barcode scanner app

Download as SVG (vector) for print or PNG (raster) for web

Use batch mode to generate multiple barcodes at once with sequential data

Best Practices

Always test generated barcodes with a real scanner before production use

Use SVG format for print applications to ensure crisp output at any size

Include human-readable text below the barcode for fallback identification

Ensure sufficient quiet zone (white space) around the barcode — minimum 10x the module width

Match the barcode symbology to your industry standard (EAN for retail, Code 128 for logistics)

Common Mistakes

Using the wrong symbology for the data type (e.g., putting letters in a numeric-only format)

Making barcodes too small for reliable scanning — minimum size varies by symbology

Forgetting the quiet zone around the barcode, causing scanning failures

Not verifying the checksum digit (most formats calculate this automatically)

Using low contrast colors that barcode scanners cannot distinguish

FAQ

What is the difference between EAN-13 and UPC-A?

EAN-13 is used globally with 13 digits; UPC-A is the North American standard with 12 digits. They are interchangeable with a leading zero.

Can I generate QR codes instead of linear barcodes?

Yes, select QR Code from the symbology dropdown for matrix-style 2D barcodes.

What is the quiet zone?

The blank margin around the barcode required for reliable scanning. Minimum 10x the narrow bar width on each side.

Are the barcodes compliant with GS1 standards?

Yes, the generated barcodes follow GS1 specifications for retail and logistics use.

Barcode Generator

About

Who should use this tool?

Common use cases

How to Use

Examples

Best Practices

Common Mistakes

FAQ

Related Tools

Same Category — Generators

UUID Generator

QR Code Generator

Password Generator

Random Data Generator

Popular Tools

JSON Formatter

Base64 Encoder/Decoder

JWT Decoder

Learning Resources

Share

Barcode Generator

About

Who should use this tool?

Common use cases

How to Use

Examples

Best Practices

Common Mistakes

FAQ

Related Tools

Same Category — Generators

UUID Generator

QR Code Generator

Password Generator

Random Data Generator

Popular Tools

JSON Formatter

Base64 Encoder/Decoder

JWT Decoder

Learning Resources

Share