Kroppr is an unobtrusive script that willenhance any site that wants to offer an image cropping tool for its visitors.
Unlike other scripts, Kroppr is able to ROTATE, zoom and move the image in the real time without using plugins – flash or java. The actual picture crop is done after the user is satisfied with his settings. In this way, the load put on the server is minimised and also the visitor’s experience.
The installation is also very simple being enough to add a script tag in the header’s page and a class to the image that makes the cropping subject. More info on the Kroppr page.