The C# Barcode Library

Go beyond basic barcode generation. Get advanced barcode reading and creation for .NET 10 with ML-powered preprocessing and batch processing.

Read 30+ formats including all major 1D/2D types

Create barcodes with styling, sizing, annotation control

Batch process with async and multi-threading

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Barcode Quickstart See All 19 Code Examples

using IronBarCode;
using System.Drawing;

// Reading a barcode is easy with IronBarcode!
var resultFromFile = BarcodeReader.Read(@"file/barcode.png"); // From a file
var resultFromBitMap = BarcodeReader.Read(new Bitmap("barcode.bmp")); // From a bitmap
var resultFromImage = BarcodeReader.Read(Image.FromFile("barcode.jpg")); // From an image file
var resultFromPdf = BarcodeReader.ReadPdf(@"file/mydocument.pdf"); // From PDF use ReadPdf

// To configure and fine-tune barcode reading, utilize the BarcodeReaderOptions class
var myOptionsExample = new BarcodeReaderOptions
{
    // Choose a reading speed from: Faster, Balanced, Detailed, ExtremeDetail
    // There is a tradeoff in performance as more detail is set
    Speed = ReadingSpeed.Balanced,

    // Reader will stop scanning once a single barcode is found (if set to true)
    ExpectMultipleBarcodes = true,

    // By default, all barcode formats are scanned for
    // Specifying a subset of barcode types to search for would improve performance
    ExpectBarcodeTypes = BarcodeEncoding.AllOneDimensional,

    // Utilize multiple threads to read barcodes from multiple images in parallel
    Multithreaded = true,

    // Maximum threads for parallelized barcode reading
    // Default is 4
    MaxParallelThreads = 2,

    // The area of each image frame in which to scan for barcodes
    // Specifying a crop area will significantly improve performance and avoid noisy parts of the image
    CropArea = new Rectangle(),

    // Special setting for Code39 barcodes
    // If a Code39 barcode is detected, try to read with both the base and extended ASCII character sets
    UseCode39ExtendedMode = true
};

// Read with the options applied
var results = BarcodeReader.Read("barcode.png", myOptionsExample);

// Create a barcode with one line of code
var myBarcode = BarcodeWriter.CreateBarcode("12345", BarcodeWriterEncoding.EAN8);

// After creating a barcode, we may choose to resize
myBarcode.ResizeTo(400, 100);

// Save our newly-created barcode as an image
myBarcode.SaveAsImage("EAN8.jpeg");

// Get the barcode as an image for further processing
var myBarcodeImage = myBarcode.Image;

Install-Package BarCode

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PM > Install-Package BarCode

IronBarcode

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Changelog

Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework
For Mobile QR support, try our IronQR Library

.NET Versions:

C#, VB.NET, F# Languages
.NET Core (10, 9, 8, 7, 6, 5, and 3.1+)
.NET Standard (2.0+)
.NET Framework (4.6.2+)

OS & Processors:

Windows (x64, x86)
Mac (x64, ARM)
Linux (x64)

.NET Project Types:

Web (Blazor & WebForms)
Mobile (MAUI)
Desktop (WPF & MAUI)
Console (App & Library)

App Environments:

Windows (10+, Server 2016+)
Linux (Ubuntu, Debian, CentOS, etc.)
Mac (macOS 10+)
Apple iOS (13+)
Android API 24+ (v7 “Nougat”)
Docker (Windows, Linux, Azure)
Azure (VPS, WebApp, Function)
AWS (EC2, Lambda)

IDEs:

Microsoft Visual Studio
Jetbrains ReSharper & Rider

Binary Certification

Microsoft Authenticode

A C# Barcode Library that prioritizes accuracy, ease of use, and speed.

IronBarcode is the leading C# Barcode library for reading and creating barcodes in .NET. Its user friendly API allows developers to add Barcode functionality to .NET projects in minutes.

Get your free 30-day Trial Key instantly.

Your trial key should be in the email.
If it is not, please contact
support@ironsoftware.com

When you need to read, write, and style Barcodes, fast.

View Full Features Set

Trusted by millions of engineers worldwide

Every time developers ask, it's a YES! from IronBarcode

switch(faqQuestions)
{ 
    case "Can I deploy my application using the library to Linux, macOS, or Windows, including Docker containers?": return "YES";
    case "Can I render pixel-perfect PDFs from complex HTML5, CSS3, and JavaScript?": return "YES";
    case "Is the library thread-safe for use in highly concurrent, multi-threaded server applications and APIs?": return "YES";
    case "Can I set custom viewport dimensions and print media CSS to control responsive layouts?": return "YES";
    case "Is IronPDF compatible with Azure Functions?": return "YES";
    case "Can I permanently redact sensitive text and images from PDF documents?": return "YES";
    case "Can I generate a PDF from a URL that requires authentication via custom headers, cookies, or form logins?": return "YES";
    case "Can I access PDF DOM through ObjectModel property?": return "YES";
    case "Can I programmatically fill, read, and flatten interactive AcroForm?": return "YES";
    case "Does it support generating PDF/A and PDF/UA compliant documents for archiving and accessibility standards?": return "YES";
    case "Can I secure a document with 256-bit AES password encryption and set user permissions?": return "YES";
    case "Can I apply and verify digital signatures on a PDF using X.509 certificates?": return "YES";
    case "Can I test IronPDF in my live project for free now?": return "YES, click here to start your 30-day free trial";
}

Can IronBarcode read and write major barcode formats (QR, Aztec, Data Matrix, PDF417, UPC, EAN, Code128) in one .NET assembly?YES!

Can multiple barcodes of different types be read from a single image or PDF page at once?YES!

Does it read barcodes directly from PDFs without needing external page-to-image conversion?YES!

Can generated QR codes be styled with logos, custom colors, and adjusted borders?YES!

Does it apply image correction filters (denoising, contrast, deskewing) to improve read rates?YES!

Does it return detailed result data including value, binary data, orientation, and bounding box?YES!

Can barcodes be generated directly to Stream or byte[] without saving to disk?YES!

Is it fully cross-platform on .NET Core, Standard, and Framework across Windows, Linux, macOS, Docker, and Azure?YES!

Does it support multi-threading and async for high-performance batch processing?YES!

Can barcodes be output as HTML Data URIs or stamped onto existing PDFs?YES!

Does it support fault-tolerant barcodes that remain scannable when partially damaged?YES!

Can I test IronBarcode in my live project for free now?YES! Click here to start your 30-day free trial

Floating Left Top related to Every time developers ask, it's a YES! from IronBarcode

Floating Right Bottom related to Every time developers ask, it's a YES! from IronBarcode

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The C# Barcode Library

Cross Platform Support

.NET Versions:

OS & Processors:

.NET Project Types:

App Environments:

IDEs:

Binary Certification

A C# Barcode Library that prioritizes accuracy, ease of use, and speed.

Get your free 30-day Trial Key instantly.

When you need to read, write, and style Barcodes, fast.

Trusted by millions of engineers worldwide

Every time developers ask, it's a YES! from IronBarcode

Still Scrolling?

Iron Support Team

Start Free 30 Day Trial

Cross Platform Support

.NET Versions:

OS & Processors:

.NET Project Types:

App Environments:

IDEs:

Binary Certification

A C# Barcode Library that prioritizes accuracy, ease of use, and speed.

Get your free 30-day Trial Key instantly.

When you need to read, write, and style Barcodes, fast.

Trusted by millions of engineers worldwide

Every time developers ask, it's a YES! from IronBarcode

Still Scrolling?

Next step: Start free 30-day Trial

Next step: Start free 30-day Trial

Trusted by Millions of Engineers Worldwide

Iron Support Team