MutaSprite Pixelize [image → pixel art]

Your art in. Real pixel art out.

Pixelize turns painterly, rendered or AI-generated images into intentional classic pixel art — a true low-resolution grid, a curated palette, clean flat areas. It doesn't generate anything; it transforms your image, deterministically, on your machine.

What it does

• Console-authentic palettes, by name — PICO-8, Game Boy DMG, DawnBringer 16, plus console colour grids (Mega Drive 3-bit, SNES 5-bit), or an auto palette in perceptual Oklab space.
• A real conversion, not a blur — high-quality downscale to a target resolution (48–256 px, up to 512), then every pixel snaps to the palette.
• Deterministic — same input and settings give byte-identical output, every run. Drop it into a pipeline and trust it.
• Dithering & upscale — Bayer 2×2 / 4×4 or Floyd–Steinberg; integer upscale ×2/4/8; hard or preserved alpha; auto-crop.
• 100% local — Windows, no cloud, no account, no GPU.

Made it with AI? Painted at the wrong size?

Pixelize is the missing step between a concept image and a real sprite — and because it transforms your own art rather than generating new art, it sidesteps the AI-art debate entirely: the tool contains no AI and creates nothing on its own.

Questions

Is this an AI tool? No — a deterministic pipeline (downscale, palette, map). No prompts, no variation, no credits.
Pixelize or Undetail? Undetail coarsens (block mosaic, no palette). Pixelize converts — a real low-res grid plus a curated palette.
Which resolution? 128 px is the robust default; 64 px is often too coarse for faces.

How you get it

Pixelize is a paid module for MutaSprite (the free Windows app) — one-time purchase, 100% local, activate on up to 3 machines. After buying, itch gives you a one-time code; redeem it at mutatool.com/license to get your product key, then paste that key into MutaSprite's Licence dialog (or the Controlcenter) — Pixelize unlocks.

Part of the MutaSprite toolkit

New here? Start free with MutaSprite — the ChromaKey Cleaner core, or get every module in one key with the Studio bundle. Undetail, Slice + SliceX and Batch live at mutatool.com.