Coolorize
manipulates the colors of an image.

RGB Intensify | Color Tuner | YUV Intensify
Magic Invert | Twilight | Fade
b/w Limiter | Greyscaler | Cartoon Look

Red1 / Green1 / Blue1 Sliders | The input values for the red, green and blue channel.
Red2 / Green2 / Blue2 Sliders | The weight or output values for the red, green or blue channel. (have no influence on Greyscaler and Cartoon Look)
Brightness Slider | Controls the overall brightness of the final effect.
Intensity Slider | A higher value creates a more intense color effect.