• A jQuery plugin for image cropping and zooming.
• Loads images locally via FileReader, and crops them using canvas.
• Designed to be extremely customizable via CSS.
• Best for the cases where you want users to upload images of a specific size and aspect ratio.

Features

• Works on desktop and mobile with touch support (except IE 9 and below).
• Drag'n'drop image into cropper.
• Extremely performant even with huge images.
• Extensive options and APIs to give you full control.

More info in https://github.com/scottcheng/cropit