1. Load your base image and overlay image using the file inputs below
2. Use the sliders to position and resize the overlay image
3. Drag the overlay image directly on the composite canvas
4. The result shows in real-time in the composite canvas
Arrow Keys: Move overlay (↑↓←→)
Ctrl + ↑/↓: Adjust height
Ctrl + ←/→: Adjust width
Note: Click on the composite canvas first to enable keyboard controls