FrameCaster

FrameCaster is a browser-based tool for turning 3D character animations into spritesheets you can use in 2D games.

Upload a .fbx, .glb, or .gltf model, pick an animation, preview exact extraction frames, and export a PNG spritesheet ready for your engine.

Built for fast iteration and clean output with practical controls for direction count, frame count, frame size, padding, lighting, and perspective.

Features

• Upload FBX, GLB, and GLTF
• Preview animation and exact extraction frames before export
• Direction modes: 1, 4, or 8
• Perspectives: Side Scroller, Low Top Down, High Top Down
• Per-sheet controls: frame count, frame size, padding, background color, light intensity
• PNG export for immediate engine use
• Works directly in browser (no install)

How to use

1. Drop a 3D model file or click Browse.
2. Select animation clip.
3. Choose perspective and direction count.
4. Adjust frame count / frame size / light / padding.
5. Generate spritesheet.
6. Export PNG.