TexturePacker helps you accomplish things that are hard to do with Unity alone:
TexturePacker + Importer - Spritesheet generator & Sprite mesh optimizer
- Increase the performance of your game with optimized sprite meshes (Unity 5)
- Easily manage & pack sprite sheets for you Unity project
- Pack normal maps for 2d dynamic light effects
TexturePacker + Importer - Spritesheet generator & Sprite mesh optimizer