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)

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.

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

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 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.

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 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 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 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

Passport OCR SDK (Developer Tutorial)

In scenarios where you need to recognize passport information quickly or in a process involving automating passport data extraction

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.

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

OCR Supermarket Receipts in C# (Developer Tutorial)

This article will probably discuss real-life examples of how IronOCR processes and filters supermarket receipts to ensure data accuracy.

October 24, 2024

How to Convert Picture to Text

In the current digital era, transforming image-based content into easy-to-read editable, searchable text

September 29, 2024

iOS OCR Library (Free, and Paid Tools Comparison)

In this article, I'll compare five popular OCR libraries for iOS: Tesseract OCR, Google Cloud Vision OCR, ABBYY FineReader SDK, SwiftOCR, and with a particular focus on IronOCR.iOS.

September 29, 2024

Tesseract OCR for Multiple Languages (Developer Tutorial)

One of the significant advantages of Tesseract is that it can be trained to be sensitive to particular fonts or new languages added

September 3, 2024

How to extract text from an image file

This tutorial demonstrates how to extract text from images using Iron OCR in a C# console application. It covers installing the Iron OCR library, configuring the OCR engine, and executing text extraction with optimal settings.

June 11, 2024

How to use Computer Vision to Find Text in C#

This tutorial explores using Iron OCR in C for text detection within images. It guides through setting up the library in Visual Studio, demonstrating various methods for text extraction and region detection using computer vision, and shows how to enhance output accuracy.

June 6, 2024

Android OCR Library List: Find the Right Tool

In this article, we look into the landscape of Android OCR libraries, their features, and how they can revolutionize mobile app development.

June 6, 2024

Receipt OCR Library (List For Developers)

These receipt OCR API libraries empower developers to integrate powerful receipt capabilities seamlessly into their .NET applications, revolutionizing data management workflows.