The Syncfusion Essential PDF OCR is a .NET character recognition library that recognizes characters from both images and PDF in any ASP.NET Web 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:



This is a prerelease version of Syncfusion.Pdf.OCR.AspNet.
There is a newer version of this package available.
See the version list below for details.
Install-Package Syncfusion.Pdf.OCR.AspNet -Version
dotnet add package Syncfusion.Pdf.OCR.AspNet --version
<PackageReference Include="Syncfusion.Pdf.OCR.AspNet" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Syncfusion.Pdf.OCR.AspNet --version
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: Syncfusion.Pdf.OCR.AspNet,"
#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.AspNet as a Cake Addin
#addin nuget:?package=Syncfusion.Pdf.OCR.AspNet&version=

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

Release Notes


This package has no dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version History

Version Downloads Last updated 90 6/30/2021 89 5/13/2021 88 3/30/2021 120 1/28/2021 313 12/17/2020 204 11/5/2020 179 10/1/2020 246 7/6/2020 259 5/13/2020 260 4/1/2020 237 3/19/2020 304 1/30/2020 320 12/17/2019 498 11/5/2019 413 10/3/2019 258 9/20/2019 331 8/22/2019 344 7/11/2019 289 6/27/2019 814 5/14/2019 491 3/29/2019 327 3/13/2019 503 2/5/2019 934 1/2/2019 443 12/10/2018 495 10/30/2018 522 9/24/2018
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