Novedades en LEADTOOLS Document SDK

What's New in LEADTOOLS Document Imaging SDK

What's new in the LEADTOOLS Document Engine V19 Major Update


  • 82% speed boost to overall performance of Advantage OCR engine.
  • Faster page insertion.
  • Improved recognition accuracy.
  • Higher accuracy of font-size detection through improved noise removal.
  • Enhanced spell checker speed by 100%.
  • Optimized memory usage during AutoZone.
  • Table detection 50% faster.


  • Parse, edit and save modified PDF forms.
  • Read and write PDF Digital Signature.
  • Native memory support.
  • Memory enhancements when loading large PDF documents.
  • Optimized extraction of PDF file information including internal links, bookmarks, etc.
  • Speed improvements to loading and saving SVG PDF documents.
  • Lower memory consumption when loading raster PDF.

Document Viewer and Converter

  • Faster SVG rendering
  • Designer support for Leadtools.Controls.Winforms.
  • Load and save from SharePoint, OneDrive and Google Docs.
  • Native support for MOBI and ePUB format.
  • Shape and drawing support for DOC/DOCX.
  • Across-the-board improvements to Office, HTML, MOBI and ePUB formats.
  • HTML5 / JavaScript Document Viewer demo redesigned to use ASP.NET MVC.
  • Converted Document REST service to ASP.NET.
  • New .NET WinForms demo for viewing either Raster or SVG.


  • Dashed line support for HTML5 / JavaScript.
  • Region / language support when loading and saving.
  • Improved custom annotation pictures.
  • Add padding to all sides of an object regardless of alignment.
  • Automatically rotate annotation images and text with viewer rotation.
  • Load annotations directly from PDF and TIFF files.
  • New legacy framework for loading and saving old versions of LEADTOOLS annotations.
  • Improved annotation realization (burning) for all platforms.

Additional Document Updates

  • New unstructured forms field recognition - Recognize text fields with specific captions even when the filled form doesn't completely match its master form.
  • Load XLSX in WinRT.