Image Optimizer is designed to to prepare the best possible JPEG, GIF and PNG image files for the web. File size reductions of up to 50% or often much more are possible, which can considerably decrease web page download times, reduce server load, reduce bandwidth charges and save on disk space. Includes Resize, Digimarc Watermark, Crop, Sharpen, E-Mail and Scanner Digital camera interface and a Batch Wizard for compressing multiple images. There are two main modes of operation, 'Work with whole image' and 'Work with regions' . Many users will find that they get good results using 'Work with whole image' mode as this will enable them to produce compact images quickly and easily. Advanced users will want to use the 'Work with regions'.