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125 International OCR Languages
using IronOcr;
using System;

var ocrTesseract = new IronTesseract();

ocrTesseract.Language = OcrLanguage.Arabic;

using (var ocrInput = new OcrInput())
{
    ocrInput.LoadImage(@"images\arabic.gif");
    var ocrResult = ocrTesseract.Read(ocrInput);
    Console.WriteLine(ocrResult.Text);
}

// Example with a Custom Trained Font Being used:

var ocrTesseractCustomerLang = new IronTesseract();
ocrTesseractCustomerLang.UseCustomTesseractLanguageFile("custom_tesseract_files/custom.traineddata");
ocrTesseractCustomerLang.AddSecondaryLanguage(OcrLanguage.EnglishBest);

using (var ocrInput = new OcrInput())
{
    ocrInput.LoadPdf(@"images\mixed-lang.pdf");
    var ocrResult = ocrTesseractCustomerLang.Read(ocrInput);
    Console.WriteLine(ocrResult.Text);
}
Imports IronOcr
Imports System

Dim ocrTesseract = New IronTesseract()

ocrTesseract.Language = OcrLanguage.Arabic

Using ocrInput = New OcrInput()
    ocrInput.LoadImage("images\arabic.gif")
    Dim ocrResult = ocrTesseract.Read(ocrInput)
    Console.WriteLine(ocrResult.Text)
End Using

' Example with a Custom Trained Font Being used:

Dim ocrTesseractCustomerLang = New IronTesseract()
ocrTesseractCustomerLang.UseCustomTesseractLanguageFile("custom_tesseract_files/custom.traineddata")
ocrTesseractCustomerLang.AddSecondaryLanguage(OcrLanguage.EnglishBest)

Using ocrInput = New OcrInput()
    ocrInput.LoadPdf("images\mixed-lang.pdf")
    Dim ocrResult = ocrTesseractCustomerLang.Read(ocrInput)
    Console.WriteLine(ocrResult.Text)
End Using
NuGet Download
PM > Install-Package IronOcr
125 International OCR Languages

125 International OCR Languages

IronOCR Language Support

IronOCR supports 125 international languages. Other than English, which is installed by default, additional language packs can be added to your .NET project via NuGet or downloaded from our Languages Page.

Most languages are available in Fast, Standard (recommended), and Best quality. The Best quality option may offer more accurate results, but will also be slower in processing time.

Explore OCR in Multiple Languages with IronOCR.
View on GitHub

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C# NuGet Library for PDF
Install with NuGet

Version: 2026.10

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: 2026.10

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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