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There is a newer version of this package available.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 103 6/30/2021 92 5/13/2021 90 3/30/2021 122 1/28/2021 317 12/17/2020 206 11/5/2020 181 10/1/2020 250 7/6/2020 261 5/13/2020 263 4/1/2020 238 3/19/2020 305 1/30/2020 322 12/17/2019 499 11/5/2019 415 10/3/2019 259 9/20/2019 332 8/22/2019 345 7/11/2019 290 6/27/2019 815 5/14/2019 492 3/29/2019 328 3/13/2019 504 2/5/2019 936 1/2/2019 444 12/10/2018 497 10/30/2018 524 9/24/2018
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