"Error Diffusion Dithering" is a common means of improving the appearance of an image that has been constrained to use only a few colors or pixel values. Use this tool to dither your own image.
|Upload an image of your own...|
|Or point the tool to a valid web address:|
|Select a dithering algorithm:|
|Convert to grayscale:|
|Rescale image resolution relative to the window:|
|Set the # color bands:|
|Set background grayscale:|