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Hangul Alphabet OCR in C# and .NET

Curtis Chau
Curtis Chau
Updated: August 2, 2026

126 More Languages

IronOCR is a C# software component allowing .NET coders to read text from images and PDF documents in 126 languages, including the Hangul Alphabet.

It is an advanced fork of Tesseract, built exclusively for .NET developers and regularly outperforms other Tesseract engines in both speed and accuracy.

Contents of IronOcr.Languages.Hangul

This package contains 156 OCR languages for .NET:

  • HangulAlphabet
  • HangulAlphabetBest
  • HangulAlphabetFast
  • HangulVerticalAlphabet
  • HangulVerticalAlphabetBest
  • HangulVerticalAlphabetFast

Download

Hangul Alphabet Language Pack [Korean Alphabet]

Installation

The first step is to install the Hangul Alphabet OCR package to your .NET project.

PM > Install-Package IronOcr.Languages.Hangul

Code Example

This C# code example reads Hangul Alphabet text from an Image or PDF document.

// Ensure the IronOCR library is installed
// PM> Install-Package IronOcr.Languages.Hangul

using IronOcr;

class Program
{
    static void Main()
    {
        // Create a new instance of IronTesseract for performing OCR
        var Ocr = new IronTesseract();

        // Specify the Hangul language pack for better accuracy with Korean texts
        Ocr.Language = OcrLanguage.Hangul;

        // Load the image or PDF you want to read
        using (var Input = new OcrInput(@"images\Hangul.png"))
        {
            // Perform OCR to read the text from the image
            var Result = Ocr.Read(Input);

            // Extract the recognized text
            var AllText = Result.Text;
            
            // Output the text to the console
            Console.WriteLine(AllText);
        }
    }
}

Explanation:

  • IronTesseract: This is the main class used to perform OCR operations.
  • OcrLanguage.Hangul: This specifies that the OCR engine should use the Hangul language pack, which optimizes the engine for Korean text recognition.
  • OcrInput: This is a container for the images or PDFs to be processed.
  • Ocr.Read(): This method performs the OCR operation and returns a result object containing the recognized text.
Curtis Chau
Technical Writer

Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.

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C# NuGet Library for PDF
Install with NuGet

Version: 2026.9

PM > Install-Package IronOcr
nuget.org/packages/IronOcr/
  1. In Solution Explorer, right-click References, Manage NuGet Packages
  2. Select Browse and search "IronOCR"
  3. Select the package and install
C# PDF DLL
Download DLL

Version: 2026.9

or download Windows Installer here.

  1. Download and unzip IronOCR to a location such as ~/Libs within your Solution directory
  2. In Visual Studio Solution Explorer, right click References. Select Browse, "IronOCR.dll"

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