The C# OCR Library

OCR in 1 line of code

using IronOcr;

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

Install-Package IronOcr

IronOCR Blog

Name: IronOCR
Brand: Iron Software
Availability: InStock
Rating: 4.86 (101 reviews)

August 5, 2025

How to Save Results as a Searchable PDF in C#

Turn scanned PDFs or images into fully searchable and selectable documents using IronOCR for C#

August 5, 2025

How to Use OCR Progress Tracking in C#

Learn how to monitor real-time OCR operations in your .NET applications with this comprehensive IronOCR tutorial

July 24, 2025

Why IronOCR Beats LLMs for Optical Character Recognition: A Practical Guide for .NET Developers

Optical Character Recognition (OCR) is vital technology for extracting text and information from images and documents. While large language models (LLMs) like GPT-4 and Gemini have revolutionized natural language processing.

June 5, 2025

How to Read Specific Documents Using OCR in C#

Discover how to efficiently extract specific text from documents using IronOCR in C#. This tutorial provides a step-by-step guide, showcasing the power of Optical Character Recognition technology in streamlining your document processing tasks.

May 29, 2025

Unlocking the Power of Searchable PDFs with IronOCR: Webinar Recap

In this developer-focused session, Iron Software’s Chipego Kalinda and Darren Steddy demonstrate how to convert scanned PDFs into searchable, compliant documents using IronOCR. Watch real-time examples of PDF/UA accessibility, full-text search, and targeted data extraction—all with just a few lines of C# code.

May 27, 2025

Streamlining Document Conversion with IronOCR

Join Software Engineer Chipego Kalinda in a live demo to explore how IronOCR can streamline your document conversion processes. Learn practical techniques to enhance efficiency and accuracy in transforming documents.

April 29, 2025

How to Read PDFs with IronOCR

Learn to read PDFs efficiently with IronOCR, a C# library. This guide covers constructing OcrPdfInput objects, performing OCR on PDFs, reading specific pages, and improving accuracy by specifying DPI and scan regions.

April 16, 2025

How to Custom Font Training for Tesseract 5 in C#

This tutorial provides a detailed guide on training Tesseract 5 OCR with custom fonts. It covers the installation of Iron OCR, setting up WSL and Ubuntu, downloading necessary packages, configuring custom fonts, and executing training processes to enhance OCR accuracy with unique font data.

April 9, 2025

Extracting Table Data from Scanned Images Using IronOCR : Live Demo Recap

In a recent live session, the Iron Software team demonstrated how to extract table data from scanned images using IronOCR. Shadman Majid, our Sales Engineer, walked through the live code implementation for table detection and extraction.

April 9, 2025

Why IronOCR is the Superior Choice for OCR Over LLMs

Discover why IronOCR is the superior choice for OCR compared to LLMs like Google Gemini. Learn about accuracy, structured output, and efficient text extraction for .NET applications.

April 6, 2025

How to Automate Data Extraction with IronOCR

Discover how to efficiently extract structured table data from scanned images using C# and IronOCR. Join Shadman Majid, Sales Engineer at Iron Software, in this insightful live demo that guides you through the process, enhancing your data processing capabilities and workflow efficiency.

March 17, 2025

How to use Multiple Languages with Tesseract

Discover how to leverage Tesseract and IronOCR to perform multilingual OCR on PDFs and images. This tutorial walks you through setting up the necessary components and demonstrates extracting text in English, Russian, and Japanese, enhancing your text recognition capabilities.

March 16, 2025

How to Read Barcodes and QR Codes Using OCR in C#

This tutorial explains how to use Iron OCR to read barcodes and QR codes from PDF documents in C. It covers setting up the OCR engine, extracting codes, and printing them on the console, offering a simple API for integrating these capabilities into applications.

February 19, 2025

Optimized Performance for Faster, More Efficient OCR Processing

IronOCR 2025.2 significantly improves OCR performance with faster processing, better memory management, and efficient handling of large multi-page TIFFs. Key optimizations include instance reuse, concurrent processing, and improved PDF rendering, delivering up to 49% faster processing and 63% lower memory usage.

January 30, 2025

How to Use Input Images for OCR Processing in C#

This tutorial demonstrates how to perform OCR processing in C using Iron OCR. Learn to extract text from image files, byte arrays, and specific image regions. The guide covers setting up your license, instantiating the Iron Tesseract object, and executing OCR on various image inputs, enhancing your OCR capabilities.

January 14, 2025

OCR Invoice Processing in C# (Developer Tutorial)

IronOCR is a powerful Optical Character Recognition (OCR) software library that can be used to extract data or text from invoices from a digital file

December 30, 2024

How to Use System Drawing Images for OCR Processing in C#

This tutorial video provides a comprehensive guide on using Iron OCR to extract text from System.Drawing images in C#. It covers setting up the environment, initializing OCR objects, and demonstrates text extraction from different image formats. A practical approach is shown with code snippets and console output analysis.

December 30, 2024

How To Read PDFS in OCR C#

This tutorial demonstrates the use of Iron OCR to extract text from PDF documents in C programming. It covers setting up the environment, reading entire PDFs, specific pages, or defined regions, offering a flexible approach for managing PDF data programmatically.

December 16, 2024

AWS OCR vs Azure OCR (OCR Features Comparison)

These include cloud providers like Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Vision API on the Google Cloud platform

December 15, 2024

Power Automate OCR (Developer Tutorial)

This Optical Character Recognition technology is employed in the applications of document digitization, automated PDF data extraction and entry, invoice processing, and making scanned PDFs searchable.

December 15, 2024

Easyocr vs Tesseract (OCR Features Comparison)

Popular OCR tools and libraries, like EasyOCR, Tesseract OCR, Keras-OCR, and IronOCR, are commonly employed to integrate this functionality into modern applications.