Image editors are used to scale any image. Image scaling is used to maximize and minimize images sizing. In short image scaling refers to resizing of any digital image. Latest digital cameras produce images of very high resolution and larger images. The images thus produced can be minimized for internet publishing.

Image editors work on the principle of sampling. Sampling is the process in which the resultant pixel values of resized images is calculated. The resized images will have varying values than the original image as they are either minimized or maximized in size.