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Teseract OCR C# Library

  • Extend Tesseract with IronOCR for better accuracy and stability.
  • Seamless .NET integration, no native binaries.
  • Supports Tesseract 5 on all major platforms.
  • Easy install via NuGet Package Manager.
  • Features automatic image preprocessing, multi-language support.
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Underlying OCR Engine
Tesseract 5 for .NET Tesseract Detailed Configuration Fast OCR Configuration
International Languages
125 International OCR Languages Multiple Languages for 1 Document Using Custom Language Files
Text and Barcode Reading
OCR in 1 line of code OCR with Barcode & QR Reading
Specialist Documents
Read Scanned Document Read Table in Document Read License Plate Read Passport Read Photo Read Screenshot Read MICR Cheque
Concurrency
Multithreaded Tesseract OCR
Read from Many Formats
OcrInput Class OCR a Region of an Image OCR Drawing OCR for MultiPage TIFF Files OCR for PDF Stream OCR Tesseract Image DPI Abort Token Timeouts
Filters
Filter Wizard OCR Image Optimization Filters Fix Image Orientation Fixing Low Quality Scans & Images OCR Image Color Editing Highlight Texts for Debugging
Simple Data Ouput
OcrResult Class PDF OCR Text Extraction
Structured Data Output
Create Searchable PDFs by OCR Make any PDF have Searchable, Copyable Text TIFF to Searchable PDF Converter
Export Documents
Exporting Images of OCR Elements
Status and Analytics
OCR Progress and Performance Tracking
OCR in 1 line of code 
using IronOcr;

string imageText = new IronTesseract().Read(@"images\image.png").Text;
Imports IronOcr

Private imageText As String = (New IronTesseract()).Read("images\image.png").Text
NuGet Download 
Install-Package IronOcr

Explore the code and run it to see the sample.

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