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OCR API for Web and .NET App

Dynamsoft OCR SDK for .NET

Add-on to Dynamic .NET TWAIN

The OCR add-on of Dynamic .NET TWAIN is a fast and robust Optical Character Recognition library that can be embedded into your WinForms & WPF applications. It can accurately perform OCR on scanned documents or images captured from webcams and convert them to text, searchable PDFs or string. In addition to English, multiple Asian languages are supported, as well as Arabic.

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Comprehensive language support

Dynamic .NET TWAIN OCR add-on supports more than 40 languages, including Arabic, Chinese and more.

Download Language Packages >>

High performance

Supports multi-thread processing and zone OCR, which significantly speeds up text recognition in scanned documents.

Multiple output formats

Dynamsoft OCR SDK enables you to save OCR results in the following formats:

  • searchable PDFs (including PDF/A 1-b)
  • text files
  • string variables

In addition, text over image technology supports multiple image compression formats, which reduces the size of PDF files.

Accurate character recognition and font identification

The SDK not only provides basic OCR results, but also detailed position and format information. This includes font names, font sizes, line widths, and more.

Why Dynamsoft OCR SDK

  • Based the highly developed open source Tesseract OCR engine, the optimized Dynamsoft OCR SDK delivers accurate recognition, faster performance, and more. 
    Introduction to Dynamsoft's OCR SDK (PDF)
  • Robust Integration: Multiple document processing features can be combined in a single convenient package. OCR integrates seamlessly with document scanning, 1-D and 2-D barcode detection, and annotation.
  • Award-winning technical support: Dynamsoft is committed to providing you with exceptional and comprehensive customer service, and provides multiple support channels: phone, live chat, email, online meetings, forums, and knowledge base. More info >>