The Syncfusion Essential PDF OCR is a .NET character recognition library that recognizes characters from both images and PDF in any Windows Forms application.  Syncfusion OCRProcessor uses tesseract, one of most accurate OCR engines.

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.

Learn more:



There is a newer version of this package available.
See the version list below for details.
Install-Package Syncfusion.Pdf.OCR.WinForms -Version
dotnet add package Syncfusion.Pdf.OCR.WinForms --version
<PackageReference Include="Syncfusion.Pdf.OCR.WinForms" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Syncfusion.Pdf.OCR.WinForms --version
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: Syncfusion.Pdf.OCR.WinForms,"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install Syncfusion.Pdf.OCR.WinForms as a Cake Addin
#addin nuget:?package=Syncfusion.Pdf.OCR.WinForms&version=

// Install Syncfusion.Pdf.OCR.WinForms as a Cake Tool
#tool nuget:?package=Syncfusion.Pdf.OCR.WinForms&version=
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes


This package has no dependencies.

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Version History

Version Downloads Last updated 153 5/13/2021 169 3/30/2021 227 1/28/2021 227 12/17/2020 255 11/5/2020 578 10/1/2020 435 7/6/2020 307 5/13/2020 311 4/1/2020 240 3/19/2020 456 1/30/2020 398 12/17/2019 362 11/5/2019 320 10/3/2019 265 9/20/2019 14,559 8/22/2019 725 7/11/2019 300 6/27/2019 552 5/14/2019 1,557 3/29/2019 460 3/13/2019 506 2/5/2019 944 1/2/2019 452 12/10/2018 612 10/30/2018 2,698 9/24/2018