IronOCR Features

The C# OCR Library Designed for Developers

IronOCR is the leading C# OCR library for reading text from images and PDFs. Its user friendly API allows developers to have OCR up and running in their .NET projects in minutes.

EXPLORE THE FEATURE SET

Accuracy, Simplicity, Speed

Document Reading

Accurately extract text and data from invoices and reports with IronOCR and build features faster.

See features for document reading

Specialized Reading

Go beyond plain text. Accurately read passports (MRZ), checks (MICR), license plates, and barcodes with dedicated, high-performance tools.

See features for specialized reading

Preprocessing

Improve input from low-quality scans and photos. Use our preprocessing filters to clean, straighten, and enhance difficult images for maximum OCR accuracy.

See features for preprocessing

Configurations & Languages

Fine-tune the OCR engine for perfect results. Get granular control over performance and accuracy, with out-of-the-box support for 125+ languages.

See configurations & language support

OCR Results

Get more than just text. Our API provides structured data including coordinates, confidence scores, and a full document hierarchy (pages, lines, words).

See data output & different output types

Others

Explore many other features from IronOCR – the ideal library for all your OCR needs

See other features of IronOCR

Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework

.NET Languages:

C#, VB.NET, F#

App Types:

Console, Web, & Desktop

Platforms:

.NET 10, 9, 8, 7, 6 & 5
.NET Standard 2
.NET Framework 4.6.2+

Operating Systems:

Windows
macOs
Linux
Docker
Azure
AWS

IDEs:

Microsoft Visual Studio
Jetbrains ReSharper & Rider

Binary Certification

Microsoft Authenticode

Tesseract 5

Fully Customizable OCR engine

Extract Data

Extract text with precision

Extract text from specialized formats

Refine & Filter

Filter and Refine images all in a single package

Filter Wizard (Find best filter combination)
Image Filters (Sharpen, Enhance Resolution, Denoise, Dilate, Erode)
Correcting Image Orientation (Rotate, Deskew, Scale)
Refining Image Colors (Binarize, Grayscale, Invert, ReplaceColor, SelectTextColor)