Sprat

Created your pixel art in Photoshop, Krita, GIMP, or Aseprite? Downloaded sprites from OpenGameArt or other asset sites?

Sprat is your next step: organize, edit, and generate production-ready sprite atlases and spritesheets in seconds. Built with Qt for WebAssembly. Runs directly in your browser with no installation required.

Features:

• Create and organize sprites in a unified workspace
• Generate sprite atlases with automatic metadata generation
• Create and manage animation sequences
• Detect duplicate sprites automatically
• Define collision hitboxes and frames
• Frame detection and layout canvas for precise sprite placement
• Split mode for comparing and adjusting sprites side-by-side
• Synchronize sprites folder for seamless workflow integration
• Create profiles and configurations for different target platforms
• Export sprite sheets with associated metadata for immediate use in your game engine
• ...

Roadmap — Powered by Community Support                                                                                      

Your donations directly fund development. Here's what's next: 

• Undo/Redo system
• Improved UI/UX refinements
• Phaser export format
• Aseprite (.ase) export compatibility
• Godot engine export (JSON/JSON.meta)
• Unity export (JSON metadata)
• Polygonal frame support (beyond rectangular)
• macOS binary
• Windows binary
• Linux binary
• Advanced animation tools
• Sprite composition/layering
• Custom metadata editor
• Tools suggested by community input