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Aspose.BarCode for .NET
QR

Read QR Code in C#

Decode QR Code, GS1 QR Code barcodes in any .NET application via BarCodeReader class.

 

Aspose.BarCode for .NET Aspose.BarCode for .NET

Overview

How to Recognize QR Barcode Using C#

In order to read QR Code, GS1 QR Code barcode, we’ll use

Aspose.BarCode for .NET

API which is a feature-rich, powerful and easy to use barcode API for C# platform. Open

NuGet

package manager, search for Aspose.BarCode and install. You may also use the following command from the Package Manager Console.

Command


PM> Install-Package Aspose.BarCode

Read QR in C#

Reading and Decoding QR barcodes with

Aspose.BarCode for .NET

APIs can be done with just a few lines of code.

  • Create a new instance of Aspose.BarCode.BarCodeReader class
  • Pass image path containing QR barcode as parameter
  • Pass appropriate DecodeType as second parameter
  • Loop through each result
  • Get barcode text using CodeType property

System Requirements

Our APIs are supported on all major platforms and Operating Systems. Before executing the code below, please make sure that you have the following prerequisites on your system.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Standard, COM Interloop for PHP, VBScript, Delphi, C++
  • Development environment like Microsoft Visual Studio
  • Aspose.BarCode for .NET DLL referenced in your project - Install from NuGet using the Download button above
 

Recognize QR Barcodes - C#

using (BarCodeReader reader = new BarCodeReader("template.jpg", DecodeType.QR)){
    foreach (BarCodeResult result in reader.ReadBarCodes()){
        // Recognize code text            
        Console.WriteLine("CodeText: " + result.CodeText);
    }
} 
// Use the relevant DecodeType QR, GS1 QR
 

Decoding QR BarCodes Live Demos

Read QR Barcodes right now by visiting our Online BarCode Reader and Decoder website. The live demo has the following benefits

  No need to download Aspose API.
  No need to write any code.
  Just upload your image containing QR barcodes, it will be scanned instantly.
  You will get all the recognized QR types.

About Aspose.BarCode for .NET API

Aspose.BarCode is a barcode reader and generation API. It can easily decode and generate 1D, 2D and postal barcodes of multiple symbologies. Developers can easily integrate it in any barcode generation and scanning application. Moreover, Generated barcodes can easily be exported to different high-quality image formats. Its a standalone library and does not require any additional software installation.

Other Supported Recognition Barcodes

Using .NET, One can also read and recognize barcode of different symbologies including.

PDF417 (PDF 417, Micro Pdf417, Macro PDF417)
DATABAR (GS1 Databar Expanded, GS1 Databar Expanded Stacked, GS1 DataBar Expanded, GS1 Databar OmniDirectional, GS1 DataBar Stacked, GS1 Databar Stacked OmniDirectional, GS1 DataBar Truncated)
DATAMATRIX (Data Matrix, GS1 Data Matrix)
EAN (EAN-8, EAN-13, EAN-14)
UPC (UPC-A, UPC-E, UPCA GS1 Code 128 Coupon, UPCA GS1 Databar Coupon)
AZTEC (AZTEC)
CODABLOCK (CodablockF, GS1 CodablockF)
CODE128 (Code 128, GS1-128)
CODE16K (CODE 16K)
CODE32 (ITALIAN PHARMACODE CODE 32)
CODE39 (Code 39 Extended, Code 39 Standard)
CODE93 (Code 93 Extended, Code 93 Standard)
ONECODE (USPS ONECODE)
AUSTRALIAPOST (Australia Post, Australia Poste Parcel)
DEUTSCHEPOST (Deutsche Post Identcode, Deutsche Post Leitcode)
DUTCHKIX (KIX-CODE)
ITALIANPOST25 (ITALIAN POST 25)
PLANET (PLANET)
POSTNET (POSTNET)
RM4SCC (ROYALMAIL RM4SCC)
SINGAPOREPOST (SINGAPORE POST)
SWISSPOSTPARCEL (SWISS POST PARCEL)
DOTCODE (DOTCODE)
INTERLEAVED2OF5 (INTERLEAVED 2 OF 5)
DATALOGIC2OF5 (DATALOGIC 2 OF 5)
IATA2OF5 (IATA 2 OF 5)
MATRIX2OF5 (MATRIX 2 OF 5)
STANDARD2OF5 (STANDARD 2 OF 5)
ISBN (ISBN)
ISMN (ISMN)
ISSN (ISSN)
ITF (ITF-6, ITF-14)