IRONSOFTWARE
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205 N. Michigan Ave. Chicago, IL 60601, USA
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    IRONSUITE

    All 10 for the Price of 2

    Save 80% with Iron Suite
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    Logo IronPDF
    Logo IronPDF

    Create, read, and edit PDFs

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    Edit PowerPoint Files. No Office Interop required

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    Logo IronQR

    Read and write QR codes with ML detection

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    Extract structured data from website

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    Edit DOCX Word Files. No Office Interop required

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    Image to text in 127 languages

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    Customized Printing Files

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    Edit Excel & CSV Files. No Office Interop required

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    Read and write Barcodes

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    Free Software Development Tools

    IronBarcode Library for C# .NET
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    IronBarcode Library for C# .NET
    for
    .NET
    • IRONSOFTWARE HOME
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    Message icon
    IronBarcode Code Example
    Reading Barcodes
    Read Many Data Formats
    • Barcode Quickstart
    • Read Barcodes
    • Read Barcodes Asynchronously
    Set Accuracy & Performance
    • Set Barcode Reader Options
    • Set PDF Barcode Reader Options
    • Confidence Threshold - ML
    Image Correction Filters
    • Imperfect Barcodes and Image Correction
    Writing Barcodes
    Write to Document Types
    • Create Barcode
    • Create QR Code
    Encoding Barcode Data
    • Save Barcode
    Styling Barcodes
    • Style Barcode
    • Style QR Code
    Style QR Code
    using IronBarCode;
    using IronSoftware.Drawing;
    
    GeneratedBarcode myQRCode = QRCodeWriter.CreateQrCode("https://ironsoftware.com/");
    
    // Add annotation text above the barcode
    myQRCode.AddAnnotationTextAboveBarcode("Your code is: " + myQRCode.Value).SaveAsPng("ironsoftware.png");
    
    // You may add styling with color or logos in the center
    var qrCodeLogo = new QRCodeLogo("ironsoftware_logo.png");
    GeneratedBarcode myQRCodeWithLogo = QRCodeWriter.CreateQrCodeWithLogo("https://ironsoftware.com/", qrCodeLogo);
    myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen);
    
    // Logo will automatically be sized appropriately and snapped to the QR grid
    myQRCodeWithLogo.SaveAsPng("myQRWithLogo.png");
    Imports IronBarCode
    Imports IronSoftware.Drawing
    
    Private myQRCode As GeneratedBarcode = QRCodeWriter.CreateQrCode("https://ironsoftware.com/")
    
    ' Add annotation text above the barcode
    myQRCode.AddAnnotationTextAboveBarcode("Your code is: " & myQRCode.Value).SaveAsPng("ironsoftware.png")
    
    ' You may add styling with color or logos in the center
    Dim qrCodeLogo As New QRCodeLogo("ironsoftware_logo.png")
    Dim myQRCodeWithLogo As GeneratedBarcode = QRCodeWriter.CreateQrCodeWithLogo("https://ironsoftware.com/", qrCodeLogo)
    myQRCodeWithLogo.ResizeTo(500, 500).SetMargins(10).ChangeBarCodeColor(Color.DarkGreen)
    
    ' Logo will automatically be sized appropriately and snapped to the QR grid
    myQRCodeWithLogo.SaveAsPng("myQRWithLogo.png")
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    Install-Package BarCode

    Style QR Code

    In IronBarcode, the QR codes can have logos added, colors changed, annotation text printed, and margins set.

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    C# NuGet Library for PDF
    Install with NuGet
    Version: 2025.5
    Install-Package BarCode
    nuget.org/packages/BarCode/
    1. In Solution Explorer, right-click References, Manage NuGet Packages
    2. Select Browse and search "IronBarCode"
    3. Select the package and install
    C# PDF DLL
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    Version: 2025.5
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    Manually install into your project
    1. Download and unzip IronBarCode to a location such as ~/Libs within your Solution directory
    2. In Visual Studio Solution Explorer, right click References. Select Browse, "IronBarCode.dll"
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    support@ironsoftware.com

    Trusted by Millions of Engineers Worldwide
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    ironbarcode_for_dotnet

    Get started for FREE

    No credit card required

    Test in a live environment

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

    bullet_test
    Fully-functional product

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

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    24/5 technical support

    Full access to our support engineering team during your product trial

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    Iron Barcode
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    Book a 30-minute, personal demo.

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    Here's what to expect:
    • A live demo of our product and its key features
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      (No commitment whatsoever.)
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    Trusted by Over 2 Million Engineers Worldwide

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    IronBarcode
    is a part of IRONSUITE

    10 .NET API products for your office documents

    Get 10 products for the price of 2   Start Free Trial
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      ironpdf_logo
      - Create, read, and edit PDFs. HTML to PDF for .NET.
    • Icon Hash related to 
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      ironword_logo
      - Edit DOCX Word Files. No Office Interop required.
    • Icon Hash related to 
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      ironxl_logo
      - Edit Excel & CSV files. No Office Interop required.
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      ironppt_logo
      - Create, read, and edit presentations. No Office Interop required.
    • Icon Hash related to 
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      ironocr_logo
      - OCR (extract text from images) in 127 languages.
    • Icon Hash related to 
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      ironbarcode_logo
      - Read and write QR & Barcodes.
    • Icon Hash related to 
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      ironqr_logo
      - Read and write QR codes.
    • Icon Hash related to 
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      ironzip_logo
      - Zip and unzip archives.
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      ironprint_logo
      - Print documents in .NET applications.
    • Icon Hash related to 
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      ironwebscraper_logo
      - Scrape structured data from websites.
    1% for the Planet
    IronBarcode
    is a part of IRONSUITE

    10 .NET API products for your office documents

    Get 10 products for the price of 2
       Start Free Trial 
    • ironpdf_logo
      - Create, read, and edit PDFs. HTML to PDF for .NET.
    • ironword_logo
      - Edit DOCX Word Files. No Office Interop required.
    • ironxl_logo
      - Edit Excel & CSV files. No Office Interop required.
    • ironppt_logo
      - Create, read, and edit presentations. No Office Interop required.
    • ironocr_logo
      - OCR (extract text from images) in 127 languages.
    • ironbarcode_logo
      - Read and write QR & Barcodes.
    • ironqr_logo
      - Read and write QR codes.
    • ironzip_logo
      - Zip and unzip archives.
    • ironprint_logo
      - Print documents in .NET applications.
    • ironwebscraper_logo
      - Scrape structured data from websites.
    IronBarcode for .NET

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

    Search

    CtrlK

    Documentation

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    • Read Barcodes

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    • EULA

    Try IronBarcode Free

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    1. IronBarcode
    2. Code Examples
    3. Style QR Code
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    Iron Software
    205 N. Michigan Ave. Chicago, IL 60601 USA +1 (312) 500-3060
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