Change pixels color and coordinates doing several operations, can generate sprites
Ambient Occlusion - Add screen-space ambient occlusion
Chromatic Aberration - Lens chromatic aberration effect
RGB Separate - Separate Red, Green and Blue layers
Sparkles - Generate sparkles on top of the image
Pixelate - Pixelate image
Sharpen - Sharpen effect using image samples
Emboss - Emboss effect using image samples
Sobel - Draw lines on contrasted area of the image using edge detection
Tiles - Turn the image into an assembly of tiles