A simple way for non-tech savvy folk to resize and optimize images for use on the web. A Ruby on Rails app, I designed and built the UI & front-end, and did most of the Rails work.
Have an image you want to use in a document, or on a website? But is it too big? Before you needed some sort of image editing software and you needed to know what to do with it. Not no more! Just upload, choose a max height or width and blammo.
Now supports CMYK to RGB conversion. Or, I should, all images are converted to RGB for web support.