Smart Slicer is a custom Unity editor extension that helps you slice PNG sprite sheets quickly and easily.
It detects sprite areas based on transparency and groups connected pixels into individual slices. You can either run it in Quick Mode (fast slicing without preview) or use the Preview UI to visually inspect and choose which slices to export.
This tool is especially useful for pixel art, irregular sprite layouts, or situations where the built-in Unity Sprite Editor doesn't provide enough flexibility.
It saves the selected slices directly into Assets/SlicedImages and automatically sets them up as Sprites with proper import settings.
Simple to use, clean interface, no external dependencies. Just drop your PNG and slice.