LEADTOOLS PDF and Document Readers SDK
LEADTOOLS includes comprehensive PDF reading, writing and viewing technology with advanced capabilities such as support for extraction of text, hyperlinks, bookmarks and metadata as well as updating, splitting and merging pages from existing PDF documents. Combined with LEADTOOLS' advanced rasterization and image display technology, developers programming with C#, VB.NET and WPF can take advantage of these properties to enhance their applications with dynamic document viewing, editing and assembly features.
Tested against thousands of PDF documents, the LEADTOOLS PDF Readers provide impeccable accuracy which tops many market-leading PDF reading applications. LEADTOOLS accounts for common errors and differences between PDF file versions to give programmers peace of mind, minimize their testing phase and create the best PDF reading applications on the market.
Watch a video for the LEADTOOLS PDF features

Overview of LEADTOOLS PDF Reader
PDF Document Features
- Load and view any PDF document
- Extract text (characters, words and lines), fonts, images, annotations, rectangles and hyperlinks with location and size
- Full support for reading, editing and writing native PDF annotations
- Full Unicode support including Chinese, Japanese, Arabic and Hebrew
- Parse the document structure by reading PDF bookmarks (Table of Contents) and internal links (jumps)
- Generate a raster image or thumbnail of any page
PDF File Features
- Comprehensive multi-page support including
- Merge existing PDF files into a single PDF
- Split a single PDF into multiple PDF files
- Extract, delete, insert or replace any page in existing PDF files
- Read and update the Table of Contents (TOC) of existing PDF files
- Convert any existing PDF to PDF/A
- Linearize (optimize for web viewing) any existing PDF
- Encrypt/decrypt documents and convert to and from any PDF version
- Read, write and update all PDF metadata such as author, title, subject and keywords
- Read, write and update the PDF document Table of Contents
- Convert (Distill) postscript to PDF with optimization for eBook, Screen and Prepress
Overview of LEADTOOLS Document Readers
The LEADTOOLS Document Readers allow reading images, thumbnails, text and metadata from any of the supported document formats using a uniform set of methods and properties, regardless of the document type. Programmers using the high level LEADTOOLS Document Readers interface can easily create feature-rich document viewing applications with unlimited zoom, smooth scrolling, thumbnails, metadata and text search without the need to know any specifics about the format you are using.
Supported Document Formats
- PDF - Adobe Portable Document Format
- XPS - Microsoft Open XML Paper Specification
- TIFF, JPEG, DOC, DOCX, and any other format supported by LEADTOOLS
Other LEADTOOLS SDK Technologies Related to PDF and Document Readers
- PDF Overview
- OCR
- Document Writers
- Virtual Printer
- Scanning and Capture
- Formats
- Document Image Processing
LEADTOOLS SDK Products that Include PDF and Document Readers SDK Technology
Hover over each product for a description. Click for more details.
LEADTOOLS Document Imaging SDK
Develop powerful document imaging applications with LEADTOOLS Document Imaging. Features include comprehensive image annotation, specialized bitonal image display such as scale-to-gray and favor-black, and specialized bitonal image processing. Other features include performance and memory optimizations for bitonal images, document image clean-up including inverted text, border, hole-punch and line removal, and scanning with LEADTOOLS Fast TWAIN and WIA.
LEADTOOLS Recognition Imaging SDK
The LEADTOOLS Recognition Imaging SDK is a handpicked collection of LEADTOOLS SDK features designed to build end-to-end document imaging applications as part of an enterprise level document automation solution that requires scanning, OCR, OMR, forms recognition and processing, archival, annotation and display functionality. This powerful set of tools utilizes LEAD's industry LEADing image processing technology to intelligently identify document features that can be used to recognize any type of scanned or faxed form image.
LEADTOOLS Document Imaging Suite SDK
The LEADTOOLS Document Imaging Suite SDK is a comprehensive collection of LEADTOOLS SDK features designed to build end-to-end document imaging applications within enterprise level document automation solutions that requires capture, OCR, OMR, forms recognition and processing, PDF, print capture, archival, annotation and display functionality. This powerful set of tools utilizes LEAD's industry LEADing image processing technology to intelligently identify document features that can be used to recognize any type of scanned or faxed form image.
LEADTOOLS Medical Imaging SDK
Develop powerful Medical Imaging applications with the LEADTOOLS Medical Imaging SDK. Features include comprehensive full DICOM dataset support, 8-16 bit extended grayscale image support, image annotation, specialized extended grayscale image display such as window level and LUT processing, and specialized medical image processing. Other features include lossless JPEG compression, and signed and unsigned image data processing.
LEADTOOLS PACS Imaging SDK
Develop robust PACS Imaging applications with LEADTOOLS PACS Imaging. Features include Medical Web Viewer Framework, high and low level PACS SCP and SCU functions and controls, secure PACS communication, comprehensive DICOM data set support, image annotation, extended grayscale image display such as window level and LUT processing, and specialized medical image processing. Other features include lossless JPEG compression, JPIP and signed and unsigned image data processing.
LEADTOOLS Medical Imaging Suite SDK
Develop powerful PACS and Medical imaging applications with LEADTOOLS Medical Imaging Suite. Features include Medical Web Viewer Framework, Medical 3D, Zero Footprint HTML5 DICOM Viewer, DICOM Multimedia codecs, high and low level PACS SCP and SCU functions and controls, secure PACS communication, Print to PACS, comprehensive DICOM data set support, image annotation, extended grayscale image display such as window level and LUT processing, and specialized medical image processing. Other features include lossless JPEG compression, JPIP, and signed and unsigned image data processing.


