Released: Jul 17, 2023



  • Added full support for Python.

Released: Dec 14, 2022



  • Added support for Microsoft .NET 6 and 7.
  • Several performance improvements have been made to the core technologies.

Released: Sep 23, 2021

v22 버젼 업데이트


What's new in the LEADTOOLS Document Engine v22

PDF SDK Updates

  • Enhanced font embedding techniques, which result in better conversion to PDF/A files.
  • Expanded PDF digital signature support to Java for Microsoft Windows, Linux, Apple macOS, Apple iOS, and Android.

What's new in the LEADTOOLS Imaging Engine v22

Updates to Formats

  • Load and save HEIC/HEIF images.

Changes to the LEADTOOLS Product Line
In Version 22, the following products have been added.

  • LEADTOOLS Edit - includes all features of...

Released: Aug 25, 2020

v21 버젼 업데이트


New in LEADTOOLS Imaging Engine

  • Xamarin Camera
    • Added control of preview size and frame rate.
  • New Image Processing Functions
    • Extract Object - Extracts connected groups of pixels from an image.
    • Canny Edge Detector.
    • Forms Field Detector.
  • Updates to Formats
    • Optimized memory usage for J2K format.
    • Expanded J2K support to include some files that do not follow the specification.
    • Added support to load 8-bit TIFF and PNG files with 8-bit alpha for transparency.
    • Added support for ANSI, UTF7, UTF...

Released: Mar 13, 2019

V20 (March 2019 release) 버젼 업데이트


  • Document SDK
    • Expanded Document Formats in Linux and MacOS
      LEAD has expanded its support of Microsoft Office formats with Linux and MacOS native libraries. Also, LEADTOOLS is now leveraging the WebKit browser engine to handle HTML files on Linux and MacOS systems to ensure the resulting output is exactly what the user expects.
  • Xamarin
    • Xamarin Camera Control
      Developers writing cross-platform mobile applications now have the LEADTOOLS Xamarin Camera Control in their arsenal. This Xamarin.Forms...

Released: Jun 19, 2018

V20 (June 2018 release) 버젼 업데이트


File Formats

  • Image interpolation for images inside PDF documents
  • Custom margins for XLSX and RTF
  • Added options for choosing the page size and order when rasterizing and splitting large spreadsheets into multiple pages
  • New multiplatform RTF engine with improved rendering and speed
  • AFP file format on Linux

Additional Toolkit Enhancements

  • Load and Save IBM FileNet P8/Daeja annotations, converting them to/from LEADTOOLS or PDF annotations
  • New mechanisms for controlling how and where temp files...

Released: Jan 24, 2018

V20 버젼 업데이트


New Platforms:
Developers can now write a unified code base and simultaneously target even more platforms and devices falling under the ever-broadening .NET Standard umbrella.

  • .NET Framework - Windows
  • .NET Standard
    • .NET Core - Windows, Linux, and macOS
    • Xamarin - iOS, Android, and UWP
    • UWP (Universal Windows Platform)

New in Document Engine:

  • Document Viewer (HTML5/JavaScript)
    • Improved speed and accuracy for internal SVG Engine.
    • Printing with DPI.
    • Printing Visible Area/Screenshot.
  • Document...

Released: Mar 28, 2017

v19 (March 2017 Release) 버젼 업데이트


  • Fully compatible with Visual Studio 2017
  • Faster document loading.
  • More efficient memory usage.
  • Sharpened PDF file support.
  • Refactored the load algorithm, which has resulted in greatly reduced load times of PDF documents.
  • Added CID-font and glyph support for PDF.
  • Faster load of very large (e.g., 10,800 x 5400 images were used during tests) image-based PDFs.
  • Added the ability to read security information from any PDF file.

Released: Jun 23, 2016

v19 버젼 업데이트

Updates in v19

LEAD Technologies Releases LEADTOOLS Version 19 for OS X, iOS, and Android.

Upgraded OCR, Barcode, and Document Writers
Developers gain access to vastly upgraded OCR and Barcode technologies. Additionally, the Document Writers, which are used by the OCR engine to save document formats, have been updated to bolster format support, including the addition of PDF and DOCX formats. Using Version 19 OCR as a foundation, LEADTOOLS mobile developers now have access to LEADTOOLS Driver's...