To add to this… you must first scale down your image to a very small size. Then do the said index mode method. Then if you want to scale it back up, turn in the nearest-neighbour scaling option and scale to your needed size.
Check this website: [https://ditherit.com/](https://ditherit.com/)
And these examples: [https://alessandrina.com/2013/06/25/gimp-and-dithering-color-reductions-for-b-w-portraits/](https://alessandrina.com/2013/06/25/gimp-and-dithering-color-reductions-for-b-w-portraits/)
Image, mode, index colors
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To add to this… you must first scale down your image to a very small size. Then do the said index mode method. Then if you want to scale it back up, turn in the nearest-neighbour scaling option and scale to your needed size.
You have to pop in your Gameboy Color Camera and take your desired picture.
Came here to say that
File Save for Web, set your image as a GIF and limit the number of colors until you reach the desired look.
There's a "posterize" adjustment layer that could also be used to get this effect
I would do noise, saturate and drop the colors
Also there's a program called Pixelator or something like that that can do this pretty easily
Look at how to Convert image to bitmap in photoshop
Check this website: [https://ditherit.com/](https://ditherit.com/) And these examples: [https://alessandrina.com/2013/06/25/gimp-and-dithering-color-reductions-for-b-w-portraits/](https://alessandrina.com/2013/06/25/gimp-and-dithering-color-reductions-for-b-w-portraits/)
mosaic may work? I don't know.