LEADTOOLS Document Imaging SDK v19 released

Released: Dec 17, 2014

Updates in this release

Updates in Document Engine V19

New Documents SDK

  • All-new framework for creating, reading and writing raster and SVG images, annotations, thumbnails, text data and metadata from supported document types
    • Document Converter – Convert PDF & office formats at 100% accuracy without the need for OCR
    • Document Viewer – View any format with text search, annotations, lazy loading, and SVG rendering
    • Document Writers – Redesigned to use cross-platform SVG rather than Windows-only EMF
  • Comprehensive support for today’s most popular document, vector and raster image formats
    • Adobe Acrobat PDF and PDF/A
    • Microsoft Office DOC/DOCX, XLS/XLSX and PPT/PPTX, PST, EML, MSG and XPS formats
    • CAD formats such as DXF, DWG and DWF
    • TIFF, JPEG, PNG, EXIF, BMP and hundreds more raster image formats
    • Plain Text, RTF, HTML, MOBI, ePub and more

Forms Recognition and Processing

  • Added support for unstructured and semi-structured form types
    • Invoice
    • Passport & MRZ
    • Driver’s License & ID
    • Checks & MICR
  • Redesigned demos with advanced editors for all form types
  • Significant speed improvements
  • New drop-out pre-processing algorithm


  • Improved OCR accuracy across all languages including East Asian and Arabic
  • Enhanced auto-zone algorithm
  • More efficient memory usage
  • Improved detection of foreground and background colors for text areas
  • New manual and automated perspective deskew algorithm improves the recognition of perspectival skewed images with 3D Deskew filtering


  • Across-the-board speed improvements
  • Load text, vector graphics and raster images
  • Enhanced rasterization and thumbnail generation
  • PDF Optimizer tool for reducing PDF document size
  • New WinRT PDF libraries
  • Added images extraction and decoding
  • Improvements to extraction of resources including fonts, bookmarks, metadata, etc.
  • New compression options including JPEG2000
  • Added support for extraction of Unicode text
  • New options for PDF document Initial View
  • Added AutoPrint functionality


  • Multi-container annotations
  • New annotation and markup object types
    • New text-based review annotation types similar to Adobe Acrobat and Microsoft Word
    • Bates Stamp
    • Filled-in arrowhead
  • Auto-resize option for wrapped objects
  • Improved options for loading and saving annotations
  • Added ability to use Image Viewer Control’s Interactive Modes and Automated Annotations simultaneously


  • New barcode types (read and write)
    • Micro QR Code
    • Aztec Code
    • MaxiCode
  • Added support for reading flipped QR Codes

Additional Document Updates

  • New document cleanup image processing functions
  • Improved support for Internet Printing Protocol (IPP)