Image Annotation and Document Markup Libraries - Objects

Products in the LEADTOOLS Document, Recognition, and Medical Imaging families include flexible and time-tested document and image annotation libraries for Windows, Linux, macOS, Android, iOS, and Web. LEADTOOLS document and image annotations are perfect for general image markup applications as well as specialized document and medical applications.

LEADTOOLS Document, Medical, and Image Annotation Objects

Below is a list of all LEADTOOLS annotation objects and platform support of each.

Object .NET HTML5/JavaScript C/C++ iOS/macOS Xamarin
Audio Clip
Closed Curve
Cross Product
Freehand Hot Spot
Hot Spot
Rich Text      
Rubber Stamp
Sticky Note  
Text Highlight  
Text Pointer
Text Redaction  
Text Rollup/Push Pin
Text Strikeout  
Text Underline  
Video Clip

Start Coding With LEADTOOLS Image Annotation and Markup Objects

Image Annotation and Markup Objects libraries as well as all LEADTOOLS Recognition, Document, Medical, Vector, and Imaging technologies for all development and target platforms, including Windows, Linux, and macOS.

Download LEADTOOLS Libraries

Speak With
Our Experts

Online Demo Applications that include Image Annotation and Document Markup Libraries - Objects

HTML5/JavaScript Annotations

Uses LEADTOOLS annotations and image-markup libraries 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.

  • Draw annotations
  • Export image

HTML5/JavaScript Medical Web Viewer Framework

A zero-footprint Medical viewer with light and dark themes to display DICOM images (pixel data) with window level, density removal, offset, scale, zoom, stack, annotation/markup, and multi-touch support for phone, tablet, and desktop.

It demonstrates zero-footprint 3D volume rendering of multiple volume types including VRT, MIP, MPR, and SSD in the Medical Web Viewer. The viewer does not require browser plugins, desktop utilities, or remote desktop clients and options for low-resolution and caching to speed up rendering and loading.

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

HTML5/JavaScript Dental Web Viewer Framework

The zero-footprint Medical Web Viewer with specialized dental features enabled, including Endo, Perio, Dentin, and FMX layouts. Additionally shows multi-touch support for phone, tablet, and desktop.

  • Interactive brightness and contrast display
  • Display DICOM information