Aseprite is a pixel art tool that lets you create 2D animations for videogames.
Compose sprites using layers & frames as separated concepts
Create images in RGBA or Indexed color modes
Open/Save GIF animations, sequence of PNG files, etc.
A timeline where you can copy/move layers, frames, or specific images
Animation tools: Real-time animation preview, onion skinning, tag frames
Pixel art tools: shading, pixel perfect strokes, RotSprite rotation, tiled mode, filled contour
Export/import sprite sheets
A command line interface to automate conversion and sprite sheets generation
Updates for the whole v1.x series up to v1.9.
OS: Windows XP, Vista, 7, 8, or 10
Memory: 128 MB RAM
Storage: 40 MB available space