VOIDLESS.DEVImage Dithering Tool
Free online image dithering tool. Apply Floyd–Steinberg or ordered (Bayer) dithering with 1-bit, Game Boy, CGA and grayscale palettes, adjust pixel size, and export a PNG.
Drop an image to dither
Drop an image to see the dithered result. Everything runs locally.
Frequently asked questions
What dithering algorithms are supported?
Floyd–Steinberg error diffusion and ordered (Bayer 4×4/8×8) dithering, plus a plain threshold, across several retro palettes.
What palettes can I use?
Classic 1-bit black & white, Game Boy greens, CGA, and reduced grayscale — with an adjustable pixel size for a chunkier look.
Is it free and private?
Yes — everything runs on a local canvas, no upload and no cost.
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