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.NET 6.0 .NET Standard 2.0 .NET Framework 4.0
dotnet add package Leadtools.Ocr --version
NuGet\Install-Package Leadtools.Ocr -Version
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Leadtools.Ocr" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Leadtools.Ocr --version
#r "nuget: Leadtools.Ocr,"
#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 Leadtools.Ocr as a Cake Addin
#addin nuget:?package=Leadtools.Ocr&version=

// Install Leadtools.Ocr as a Cake Tool
#tool nuget:?package=Leadtools.Ocr&version=

Supported Platforms:
• NETStandard
• XamariniOS
• XamarinAndroid
• NETFramework

For over two decades, LEADTOOLS multi-faceted OCR SDK has led the industry in optical character recognition. Using LEAD’s advanced OCR APIs, programmers can write as few as three lines of code to convert an image to text-searchable documents, offering full page as well as zonal recognition. LEADTOOLS supports character sets for more than 40 languages.
This package includes English, Spanish, French, Italian, and German. For more languages, see the Leadtools.Ocr.Languages.* packages.

Handwritten text has been historically difficult to recognize due to variations in each and every sample set of handwriting. Our optimizations continue to ensure that LEADTOOLS ICR libraries provide unparalleled accuracy by leveraging artificial intelligence and machine learning to power additional technologies such as:

• Hand printed and cursive in color and bitonal images
• Automatic image preprocessing to cleanup noise and enhance low-resolution images
• Spelling dictionary
• Detect uppercase, lowercase, digits, currency, and punctuation
• Automatic image segmentation

Because automation and efficiency are at the forefront for developers building recognition solutions, LEAD has created mixed mode AutoZone capabilities to extract text from images that contain a mix of machine-printed text, handwritten text, MICR, MRZ, OMR, graphics, and table zones. LEADTOOLS automatically detects and recognizes everything. This powerful combination of recognition technologies is critical for companies that need to quickly and accurately OCR images regardless of how the data is formatted.

Forms recognition and processing technology detects and processes unstructured and semi-structured documents such as bubble forms, invoices, applications/tax forms, checks, passports, driver's licenses, and business cards. LEADTOOLS Forms libraries use an advanced combination of OCR, OMR, ICR, barcode, and intelligent image processing techniques, image cleanup and more to automate the extraction of text from complex documents.  

This is just a small part of a large technology offering called LEADTOOLS. To see all that LEADTOOLS has to offer, go to https://www.leadtools.com/

Use the following link to register for a LEADTOOLS license file that is required to use this NuGet. The license file is free.  
Additionally, the link provides access to the LEADTOOLS Installer. The Installer includes 100’s of demo applications with source code to jump start your development:

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows net7.0 net7.0-android net7.0-ios net7.0-maccatalyst net7.0-macos net7.0-tvos net7.0-windows
.NET Core netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard2.0 netstandard2.1
.NET Framework net40 net403 net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48 net481
MonoAndroid monoandroid
MonoMac monomac
MonoTouch monotouch
Tizen tizen40 tizen60
Universal Windows Platform uap uap10.0
Xamarin.iOS xamarinios
Xamarin.Mac xamarinmac
Xamarin.TVOS xamarintvos
Xamarin.WatchOS xamarinwatchos
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

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GitHub repositories

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Version Downloads Last updated 1,763 12/14/2022 4,711 7/19/2022 12,424 3/23/2022 13,091 10/21/2021 6,490 9/23/2021 2,163 9/17/2021 53,220 9/1/2020 1,757 8/26/2020 28,556 3/23/2020 3,874 12/18/2019 2,316 11/16/2019 2,021 10/31/2019 3,409 3/6/2019 12,454 7/20/2018 945 6/12/2018 1,188 3/28/2018
20.0.0 1,495 1/20/2018