The C# QR Code Library

Go beyond basic QR creation. Get ML-powered QR reading for .NET 10 and advanced preprocessing for distorted scans, blur, and imperfect images.

Generate QRs with branding, colors, and styling control

Read QR codes, Micro QR, or RMQR from any angle

Decode images, streams, multi-page TIFFs, & PDFs

Free 30-day trial, full features, no credit card

QR Quickstart See All 16 Code Examples

using IronQr;
using IronSoftware.Drawing;

// Create a QR Code object
QrCode myQr = QrWriter.Write("hello world");

// Save QR Code as a Bitmap
AnyBitmap qrImage = myQr.Save();

// Save QR Code Bitmap as File
qrImage.SaveAs("qr.png");

Install-Package IronQR

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

PM > Install-Package IronQR

IronQR

See what’s new:

New NuGet packages released

Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework
For 1D Barcode & PDF support, try our IronBarcode 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

DigiCert Signed Binaries

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

IronQR is the leading C# QR Code library for reading and creating QR codes in .NET. Its user friendly API allows developers to add QR 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 QR codes, fast.

Trusted by millions of engineers worldwide

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

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";
}