Mixels.ai is a free AI pixel art generator and online pixel art editor that lets you pixelate any image, convert photos to pixel art, or generate game-ready sprites from text — all with perfect grid alignment. No mixels, no cleanup, no green fringing. The best free pixel art software and Aseprite free alternative, built for retro game devs and pixel art lovers — no download required.

AI Generate

Generate pixel art avatars, items, and game assets from a text prompt or use a reference photo to convert a picture to pixel art. Choose 64x64 or 128x128 resolution with isometric and 2D flat views. The AI pixel art generator produces clean, grid-aligned results every time — a true free sprite maker and ai game asset generator in one.

Pixel Art Editor Online

A complete free pixel art program with 9 tools — pencil, brush, eraser, fill, line, rectangle, circle, selection, and eyedropper — plus adjustable brush size, shape, hardness, opacity, and pressure sensitivity. Work with unlimited layers, 17 blend modes, 6 layer effects (HSL, vibrance, brightness/contrast, glow, white balance, quantize), pixel-perfect mode, symmetry tools, customizable grid overlay, and curated palettes from Celeste, Stardew Valley, and Shovel Knight. Full undo/redo history with state timeline.

Pixel Doctor — Photo to Pixel Art Converter

Upload any photo and convert it to pixel art instantly. This free image pixelator auto-removes backgrounds, crops to content, and extracts dominant colors. Pixelate a photo, turn a picture into pixel art, or create a pixel avatar — then import results directly into the editor as a new layer.