Each of these demo applications are included with full source code in the LEADTOOLS main installation and are used to demonstrate the various LEADTOOLS technologies inside an interactive, HTML/JavaScript, zero-footprint application.

Document Viewer

Use the LEADTOOLS Document Viewer in an HTML5/JavaScript application.

  • Load a document from local disk and url
  • Draw annotations on the document
  • Use thumbnail viewer
  • Interactive zooming/panning

Document Composer

Interactively create, organize, and export a document from the pages of multiple files within the Document Viewer.

Document Comparer

Compare two documents side-by-side split screen view or with overlay within the Document Viewer.

SVG Demo

This demo shows one implementation of the LEADTOOLS SVG technology by using a web service to rasterize an SVG file and display the resulting image in the web viewer.

OCR Demo

Demonstrates the use of our OCR technology in HTML5/JavaScript by loading an image from a URL, or uploading an image from your device, and returning the OCR results of that image.

Bank Check Reader

Demonstrates the use of our MICR and bank check reading technology using HTML5 and JavaScript.

Passport Reader

Uses the LEADTOOLS Passport Reader technology to read a passport image and parse out the information.

Driver's License Reader

Uses HTML5 and JavaScript to demonstrate the use of our Forms Recognition technology to extract driver's license information.

Barcode Reader

Uses HTML5 and JavaScript to demonstrate our barcode technology reading 34 different barcode symbologies in various test and real-world images.

Annotations Demo

Uses HTML5 and JavaScript to demonstrate our annotation and image-markup technology. Users may use the annotation toolbar at the bottom of the image to add stamps, sticky notes, rulers, and various other image markup devices to an annotation layer of the image without changing the original image data.

Medical Web Viewer

A zero-footprint Medical viewer to display DICOM images (pixel data) with window level, stack, annotations/markup, and multi-touch support for phone, tablet, and desktop.

Note: If you have your own test images that you would like to upload into the application, contact support@leadtools.com to have a private user profile created.

Dental Web Viewer

A zero-footprint dental viewer to display DICOM images with specialized features for dental that include Endo, Perio, Dentin, and FMX layouts. Additionally shows multi-touch support for phone, tablet, and desktop.

Raster Image Viewer

Uses HTML5 and JavaScript to demonstrate features of the LEADTOOLS raster image viewer. Features include:

  • Load an image from url
  • Rotate
  • Zoom
  • Flip horizontally and vertically

Thumbnail and Bookmark Demo

Uses HTML5 and JavaScript to demonstrate our thumbnail viewer being used navigate pages of an image.

Image Processing Demo

Uses HTML5 and JavaScript to demonstrate some of our image processing technology. LEADTOOLS provides more the 200 image processing functions and only a small subset are shown including:

  • Flip
  • Histogram Equalize
  • Auto Color Level
  • Invert

Image Viewer Styles Demo

Uses HTML5 and JavaScript to demonstrate how the Elements Mode of the LEADTOOLS ImageViewer can respond to CSS transitions.

Web Scanning

Uses HTML, JavaScript, and a Self-hosted Web Service application or a Java application to demonstrate the LEADTOOLS Web Scanning technology.

  • Scan and upload images from devices in browser-based applications
  • Apply image processing functions to scanned images
  • Print scanned images

NOTE: Client required

  • Windows: A TWAIN device and to download a TWAIN proxy for Windows
  • Linux: A SANE device and to download SANE RPM package