Game Sprite Sheet Maker
Pack animation frames and create game-ready sprite sheets for Unity, Godot, and Phaser. Free online tool for game developers.
Free Sprite Sheet Generator Online
Clean atlas packing and frame slicing for Unity, Godot, and Phaser
Drop frames, auto-pack them, inspect the atlas, then export engine-ready data.
Advanced controls stay tucked away until you need them.
Generated atlas
Your packed atlas preview
Your atlas will appear here
Upload PNG / JPEG / WebP. Packing stays in your browser.
Frame strip
Drag to reorder · order maps left→right, top→bottom in grid mode
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Upload
PNG · JPEG · WebP
Layout
How sprites are arranged on the atlas
Bin-packs each sprite tightly. Best default for mixed sizes and photos.
Selected sprite
SettingsShowHide
Engine-Ready Assets
Optimized Packing
Automatically minimizes wasted space using advanced bin-packing algorithms.
Precision Controls
Fine-tune padding, extrusion, and layout for pixel-perfect results.
Multi-Format Export
Export as PNG, JSON, CSS, and engine-specific manifest files.
Workflow
Import Frames
Import your character or environment animation frames.
Pack Atlas
Use trim-aware packing to generate a high-density game atlas.
Engine Metadata
Generate Unity C# or Godot Resource scripts for instant import.
Export
Download your engine-ready bundle with zero watermarks.