QR Code Generator Using C#

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

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Test in a live environment

Test in production without watermarks.
Works wherever you need it to.

Fully-functional product

Get 30 days of fully functional product.
Have it up and running in minutes.

24/5 technical support

Full access to our support engineering team during your product trial

QR Quickstart

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");

Why IronQR

ML-powered QR detection for .NET. Reads distorted, blurred, and imperfect scans. Generates branded QRs with logos and colors.

Full QR format support

Read and write Standard QR, Micro QR, and Rectangular Micro QR (rMQR).
Decode from images, streams, PDFs, and multi-page TIFFs in one call.
Export to PNG, JPEG, SVG, or Stream without saving to disk.

Outcome: One library for every QR format your project will ever need.

Up & running in 5 mins

PM > Install-Package IronQR
```
Install-Package IronQR
```
→ 5-minute quick starts.
Simple API: QrWriter.Write("hello world"), myQr.Save().
Smart defaults: ML detection on by default, Slim Mode available to disable ML and prioritize speed.

Outcome: Ship QR features this sprint, not next quarter.

Enterprise performance

.NET 10, Core, Standard, or Framework
C#, VB.NET, F# supported. DigiCert signed binaries. Async methods and multithreading support for both read and write.
Deploys anywhere: Windows, Linux, macOS, iOS, Android, Docker, Azure, AWS.

Outcome: Scale from desktop tools to mobile apps to enterprise document processing.

ML-powered reading, any condition

Dedicated ML model detects QR codes in noisy, distorted, rotated, or partially obscured images.
Reads multiple QR codes simultaneously from a single image or PDF page without third-party rasterization.
Configurable error correction levels and fault tolerance (checksums, format awareness, null checking).

View Code Examples

Developer-first support & licensing

Perpetual license: buy once, use forever. Optional updates and renewals.
24/5 engineer support (24/7 in Premium). Real humans, median chat response <1 min.
30-day money-back guarantee. Not the right fit? Full refund, no questions.

Chat With an Engineer

For builders

Features you'll actually use:
- read/write QR codes
- Standard, Micro, rMQR formats
- logo embedding
- read from PDF natively
- async + multithreading
- ML detection model
- Slim Mode (no ML, faster)
- custom colors & transparency
- multi-QR detection
- configurable error correction
Works everywhere: Windows, Linux, macOS, Docker, Azure, AWS, cloud.

(30 days, fully-functional product)

For buyers

Trusted by millions of engineers across the Iron Suite.
Mobile-ready: MAUI support out of the box.
Works in Azure Functions and AWS Lambda with IronSoftware.Drawing.
Procurement-friendly: perpetual license, optional renewals, invoice available, multiple payment options (incl. local: Amazon Pay, Alipay, Apple Pay, iDEAL, SEPA, ACH).
30-day money-back guarantee.

See Licensing

What our Customers say about IronPDF?

40%SAVING

Where in the past we might have to go out and use one plug-in or one package for OCR, and another one for PDF, having them all integrated into one low-cost package was really great for us.