Game Boy Sprite Converter

A Python tool for converting standard image files (JPG, PNG, GIF, BMP, etc.) into Game Boy–compatible graphics.
This script converts an image into the Game Boy 4-shade palette, slices it into 8×8 tiles, generates a Game Boy–accurate preview image, and outputs ROM-ready 2bpp tile binary.

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Features

• Converts any common image format to the 4-color Game Boy palette
• Slices the image into 8×8 tiles and encodes them in Nintendo 2bpp format (16 bytes per tile)
• Produces a preview PNG showing how the image will look on a DMG Game Boy
• Outputs a raw .bin file containing tile data ready for INCBIN or other toolchains
• Works for sprites, tilesets, UI art, backgrounds, and logos

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Requirements

Install the dependency:

pip install pillow

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## Usage

Run the script:

python3 convertimage.py input_image.jpg output_sprite.bin preview.png