IronOCR Features

• IronOCR reads Text, Barcodes & QR from all major image and PDF formats using the latest Tesseract 5 engine. This library adds OCR functionality to Desktop, Console and Web applications in minutes.
• IronOCR's Unique Features:
  • Pure .NET OCR API.
  • All OCR tasks run locally (no SAAS).
  • 127+ languages.
  • Barcode & QR Code reading.
  • Corrects low quality, noisy and distorted scans.
  • Performance tuned above and beyond any other known build of Tesseract OCR.
  • Reads PDFs.
  • Reads multi-page TIFFs.
  • Can save any OCR Scan to a searchable PDF document or XHTML.
• Data output options include: Plain Text, Barcode Data and an OCR Result class containing paragraphs, lines, words, and characters.
• Language Support:
  • 127+ Languages including Arabic, Chinese, English, Finnish, French, German, Hebrew, Italian, Japanese, Korean, Portuguese, Russian, Spanish. Custom language packs can also be created.

OCR Engine

• Underlying OCR Engine:
  • Tesseract 5 (Custom for .NET)
• International Languages:
  • 125 Languages
  • High and Fast Quality
  • Custom Languages
• Text and Barcode Reading:
  • Text and Numbers
  • Multiple Languages at Once
  • Barcodes
• Specialist Documents:
  • Scanned Document
  • Table in Document
  • License Plate
  • Passport
  • Photo
  • Screenshot
• Concurrency:
  • Single and Multithreading
  • Async Support
  • Suspend current thread
  • Cancel OCR Reading
• Computer Vision:
  • Find text with trained models

OCR Input

• Read from Many Formats:
  • Images (jpg, png, gif, tiff, bmp)
  • Multi-Page/Frame (tiff, gif)
  • System.Drawing Objects
  • Streams
  • PDFs (optimized target DPI)
• Filters:
  • Filter Wizard (Find best filter combination)
  • Image Correction (Sharpen, Enhance Resolution, Denoise, Dilate, Erode)
  • Fix Image Orientation (Rotate, Deskew, Scale)
  • Fix Image Colors (Binarize, Grayscale, Invert, ReplaceColor, SelectTextColor)
• Apply a Crop Region:
  • CropRectangle

OCR Result

• Simple Data Output:
  • .NET Text Strings
  • Barcode and QR Data
  • Images
• Structured Data Output:
  • Pages
  • Blocks
  • Paragraphs
  • Lines
  • Words
  • Characters
• Export Documents:
  • Searchable PDFs
  • hOCR Export
  • HTML Export
  • Page or Text as image
  • Barcode or QR as Image
• Highlight Text and Save:
  • Characters, words, lines, and paragraphs
• Status and Analytics:
  • OCR Progress Tracking
  • Result Confidence