Document Processing Development Toolkit
Powered by Machine Learning Technology

  • Multiple image-processing technologies for all stages of document processing
  • Complex imaging guarantees the highest quality of images
  • Advanced document recognition including invoice headers and ID cards
  • Wide range of document sources and export options

GScan SDK is developer toolkit covering all stages of document processing from image preprocessing, recognition, format conversion to export. GScan SDK includes all types of automatic document recognition including OCR, ICR and OMR, recognition of static and semi-structured documents, plus additional modules for invoice header recognition and ID cards recognition. It can be integrated into various web and Windows applications, ERP portals and much more. It supports programming in .NET, C# and is available in 32-bit and 64-bit versions.

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How our customers use GScan SDK

  • Integration into .NET applications

    Build applications that enable full-text recognition of the scanned documents, forms or ID card recognition, editing, and enhancement of captured images.

  • Web applications

    Full-text recognition of the scanned documents, bank statements uploaded via a web site, with automatic recognition of ID Cards, passports, forms and invoices.

  • Enhancing scanned documents on MFDs

    Use GScan SDK to add image-enhancing capabilities to multifunction devices. Images can be corrected within the MFD before printing or sharing to a network.


Recognition functions

  • Optical Character Recognition (OCR)
  • Intelligent Character Recognition (ICR), handwritten text
  • Optical Mark Recognition (OMR), checkboxes
  • Barcode recognition
  • Queue Prioritization
  • Form recognition for static and semi-structured forms and documents
    • Template Designer for designing of recognition templates
    • Document classification based on the detection of the reference elements in defined zones
    • Regular expression - recognized text verification and evaluation based on provided regular expression
    • Date format chosen based on detected OCR language
    • Custom dictionaries - create custom or connect to external data sources via ODBC/OLE DB

Imaging functions

  • Rotation and Auto Rotation
  • Deskew
  • Perspective transformation (3D Deskew)
  • Image Resizing
  • Binarization for conversion into Black &White
  • Spectrum Conversion including BGR, HSV, HLS, BGRA, YUV and Grayscale
  • Compression into lossy and lossless format, including formats BMP, JPEG, TIF and PNG
  • Despeckling
  • Black border removal
  • Text thickness increase for better OCR readability

Advanced imaging functions

  • Object detections
    • Document Corners Detection
    • Document Border Enhancement
    • Document Table Detection
    • Image/Logo Detection
    • Image Analysis - histogram
    • Captcha

Supported file formats

The GScan SDK supports export to File System.

  • Input file formats
    • Images – JPG, GIF, PNG, TIF, BMP
    • Documents – PDF
    • Automatic Page Split for PDF documents
  • Output file formats
    • Images – JPG, single page TIF, multipage TIF
    • Documents – PDF, PDF/A with full text option


  • With GScan SDK we have automated the process of remotely identifying clients that buy customer loans of a financial institution. In the comfort of the customers home, he takes a photo of his ID card with his phone or scanner and uploads it during the online registration process. GScan SDK then extracts the information from the machine-readable zone. This is a secure and user-friendly identification method that increases customer satisfaction, ensures high-quality data and shortens the overall process.

    Oldrich Kotas
    Software Arrchitect & Consultant, Trask

  • Sharepoint flow dematerialization expert, we recommend GScan solutions to our clients. It answers to your needs by its easy, modular and seamless integration within SharePoint environment.

    Cyril Massip
    Responsable comptes clients SharePoint, SARL YES

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