How to Extract Text from Images in C# Kannapat Udonpant Updated:August 19, 2025 Download IronOCR NuGet Download DLL Download Windows Installer Start Free Trial Copy for LLMs Copy for LLMs Copy page as Markdown for LLMs Open in ChatGPT Ask ChatGPT about this page Open in Gemini Ask Gemini about this page Open in Grok Ask Grok about this page Open in Perplexity Ask Perplexity about this page Share Share on Facebook Share on X (Twitter) Share on LinkedIn Copy URL Email article Unlock the full potential of your image files by watching this tutorial on IronOCR, where you'll learn to effortlessly extract text with precision, handle complex and challenging images, and transform them into usable text files or PDFs with ease! more... In this tutorial, we delve into the process of using IronOCR, a free library for optical character recognition (OCR), to extract text from image files. The tutorial begins with the installation of IronOCR through NuGet Package Manager and proceeds to guide users through writing a program in C#. Key steps include adding the IronOCR namespace, initializing the IronTesseract class, and passing the image file path to OCR input. The tutorial demonstrates the accuracy of IronOCR in reading both simple and complex text images, including those with large bodies of text and less-than-ideal conditions such as crinkled, rotated, or skewed pages. The tutorial emphasizes the library's ability to manage various image formats, providing detailed instructions on saving the output as a text file or PDF. The effectiveness of IronOCR is highlighted, showcasing its ability to accurately read and generate text outputs even from challenging inputs. The tutorial concludes with encouragement to reach out for support if needed, ensuring users can fully leverage the powerful capabilities of IronOCR.
Updated September 22, 2025 How to Save Results as hOCR in an HTML File | IronOCR Discover how to export OCR results as hOCR in HTML using IronOCR for .NET. This guide will help you preserve both text and layout, ensuring your OCR outputs remain true to the original document. Read More
Updated September 22, 2025 How to Read Scanned Documents in C# | IronOCR Discover how to leverage IronOCR in C# to read and extract text from scanned documents like PDFs, JPGs, PNGs, and TIFFs in your .NET applications. This tutorial provides a detailed guide to implementing OCR functionality, ensuring you can handle various image formats in your apps effectively. Read More
Updated September 22, 2025 How to Use Tesseract OCR Confidence Values in C# | IronOCR Explore how to assess the reliability of your OCR outputs by obtaining confidence scores using IronOCR in C#. This tutorial provides a comprehensive guide to retrieving and interpreting these scores, offering insights into the accuracy of your data extraction processes. Read More
Updated August 24, 2025 How to Save Results as hOCR in an HTML File in C# | IronOCR Discover how to convert scanned images or PDFs into searchable HTML content using IronOCR in C#. This step-by-step tutorial explains the process of exporting OCR results to HTML-HOCR, making your documents easily accessible and editable. Read More
Updated August 19, 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 Read More
Updated August 19, 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# Read More
All your questions are answered to make sure you have all the information you need. (No commitment whatsoever.)