This article is about the relation between an image size in pixels and a photographic print size. First, it recommends the photographic print size for given digital image dimensions in pixels. Second, it finds the resulting pixels per inch value for a printed digital image with known linear and pixel dimensions.

This online calculator creates captivating photo negatives by inverting the colors of your images.

This article describes how to write calculators for an image manipulation

This calculator allows you to perform simple image manipulation tasks online.

This online calculator converts color image to grayscale image using the luminosity method

The calculator displays the dimensions of an input jpeg file as well as jiff markers stored in the file.

This online calculator converts color images to black and white images. Two options are possible: luminosity threshold or Floyd–Steinberg dithering.

The calculator displays meta-data stored in a jpeg file.

The calculator allows you to compare the parameters of different photographs saved in EXIF image data.

This online calculator allows you to process the image with the selected box filter, or use your own box filter.

This online calculator applies median filter to an image

This online calculator applies a watercolor effect to an uploaded image by sequentially applying a median filter and a box filter sharpening.