Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 6, 5, Core, Standard, or Framework

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The C# OCR Library

Tesseract 5 OCR in the language you need. We support 127+. Licenses from $499.

A C# Library that prioritizes accuracy, ease of use, and speed.
Version: 2022.3.0 available now.

Compatibility

.NET Languages:

  • C#
  • VB.NET
  • F#

Platforms:

  • .NET 6 & 5
  • .NET Core 3x & 2x
  • .NET Standard 2
  • .NET Framework 4x

App Types:

  • Console, Web, & Desktop

OS:

  • Microsoft Windows
  • macOS
  • Linux (Debian, CentOS, Ubuntu)
  • Docker (Windows, Linux, Azure)
  • Azure (VPS, Webapps, Websites, Fuctions)

IDEs:

  • Microsoft Visual Studio
  • Jetbrains ReSharper & Rider

OCR Engine

International Languages:

  • 127 Languages
  • High, Medium and Fast Quality
  • Custom Languages and Word Lists

Under the Hood:

  • Tesseract 5 (Custom .NET Engine)
  • Tesseract 4
  • Tesseract 3
  • Combines Multiple OCR Engines Simultaneously for Improved Accuracy

Barcode Reading:

  • >20 Barcode Formats
  • QR Codes

Specialist Documents:

  • Receipts
  • Checks
  • Invoices

Concurrency:

  • Multi-Threaded, Single Threaded, Async

OCR Input

Read Many Image Formats:

  • Images (jpg, png, gif, tiff, bmp)
  • Multipage Gif & Tiff
  • System.Drawing Objects
  • Streams
  • PDFs

Correct Low Quality Scans & Photos:

  • Enhance Resolution (Automatic or Manual)
  • Binarize
  • Contrast and Auto Contrast
  • Deskew (Fixes Rotation and Perspective)
  • Denoise
  • Dilate
  • Invert
  • ToGrayScale
  • Sharpen
  • Rotate

OCR Output

Simple Data Outputs:

  • .NET Text Strings
  • Barcode & QR Data & Images

Structured Data Outputs:

  • Pages
  • Blocks
  • Paragraphs
  • Lines
  • Words
  • Characters

Export Documents:

  • Searchable PDFs
  • hOCR / HTML Export
  • Images of any Page, Text Element or Barcode

Trusted by Over 2 Million Engineers Worldwide

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Ready to get started? Version: 2022.3.0 just released

Free NuGet Download Total downloads: 431,425 View Licenses >