Syncfusion.Pdf.OCR.Wpf 25.1.37

Syncfusion .NET OCR Library

The Syncfusion .NET Framework OCR library is a feature-rich and high-performance library that is used to recognizes characters from both images and PDF. Syncfusion OCRProcessor uses tesseract, one of most accurate OCR engines.

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Key Features

• Converts scanned PDF to searchable PDF.
• Converts various image formats such as TIFF, JPEG, PNG, BMP to searchable PDF.
• Converts image or PDF to text with location.
• Process OCR for the specified region in both PDF and image.
• Supports 60+ languages.
• Recognize text from rotated images and PDF documents.
• Works both in 32-bit and 64-bit environments.
• Thread safe.

System Requirements

• System Requirements

Getting Started

Install the Syncfusion.Pdf.OCR.Wpf NuGet package as reference to your WPF application from NuGet.org.

OCR a PDF document programmatically using C#

//Initialize the OCR processor with tesseract binaries folder path
using (OCRProcessor processor = new OCRProcessor(@"TesseractBinaries\Windows"))
{
//Load a PDF document
FileStream stream = new FileStream(@"Input.pdf", FileMode.Open);
PdfLoadedDocument document = new PdfLoadedDocument(stream);

//Set OCR language
processor.Settings.Language = Languages.English;

//Perform OCR with input document and tessdata (Language packs)
 processor.PerformOCR(document, @"tessdata\");

MemoryStream stream = new MemoryStream();

 //Save the document into stream.
 document.Save(stream); 

//If the position is not set to '0' then the PDF will be empty. 
stream.Position = 0;
 
//Close the document. 
document.Close(true); 

//Defining the ContentType for pdf file.
 string contentType = "application/pdf"; 

//Define the file name.
 string fileName = "Output.pdf"; 

//Creates a FileContentResult object by using the file contents, content type, and file name. 
return File(stream, contentType, fileName);
}

License

This NuGet package is a part of the OPX product line. Any part of the OPX product line may be subject to additional terms, to include GPL or similar licenses. Syncfusion holds no liability and provides no indemnity in any form for any OPX product. If you do not agree to these terms, do not download this NuGet package.

About Syncfusion

Founded in 2001 and headquartered in Research Triangle Park, N.C., Syncfusion has more than 27,000+ customers and more than 1 million users, including large financial institutions, Fortune 500 companies, and global IT consultancies.

Today, we provide 1700+ components and frameworks for web (Blazor, Flutter, ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, JavaScript, Angular, React, Vue, and jQuery), mobile (.NET MAUI, Flutter, Xamarin, UWP, and JavaScript), and desktop development (WinForms, WPF, WinUI, .NET MAUI, Flutter, Xamarin, and UWP). We provide ready-to-deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.

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