Deep Zoom Composer is a free tool from Microsoft for creating complete Deep Zoom experiences. It can create Deep Zoom Images (DZI) for both Seadragon Ajax and Silverlight Deep Zoom and Deep Zoom Collections (DZC) for Silverlight Deep Zoom, as well as complete Silverlight Deep Zoom or Seadragon Ajax viewers and associated web pages.
Deep Zoom provides the ability to interactively view high-resolution images. You can zoom in and out of images rapidly without affecting the performance of your application. Deep Zoom enables smooth loading and panning by serving up multi-resolution images and using spring animations.