Crop

Allows you to cut an image down to an area you specify. Use this transformation to describe the size and position of a box indicating the portion of the image to preserve.

For example, if you have the following image:
You can use the Crop transformation to change it to a width of 600, height of 350, gravity of default, and set to NorthWest or 0,0:
You can use also use the Crop transformation to change it to a width of 600, height of 350, gravity of center:

For more information review the Crop an Image recipe in the Image and Video Manager Cookbook. This recipe shows how designers can specify the size and placement of the crop box.

If you add the IMQuery transformation to a policy, use the im variable, and select Crop, you can use a query string to crop any image using this policy. See Syntax and Examples for the syntax for the query string parameter.