Posterize photo online
Select a picture on your computer or phone, specify the number of posterized colors and then click OK. Other settings already installed by default.
Photo of strawberry flowers without changes and two examples with different levels of posterization:
First example is made with level of posterization 3 (in most cases is suitable 8), to create second example were specifies the following settings: posterize level 5 and checked (turned on) parameter for pre-making of the black-and-white picture.
Posterization serves to reduce number of tones (colors) of the image, for example, when creating a GIF or PNG picture consisting of 256 colors or less, and it is also used as an artistic effect in photography.
The smaller specified the number of colors (level of posterization), the stronger will be intensity of the effect.
On this website there are still similar online tools: cartoon picture effect and color or black-white dithering.
The original image is not changed. You will get other processed image.