Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but we’ll share UniTile Free for you. Enjoy!!!
UniTile is a simple to use yet powerful tile-based 2D map editor for Unity. You can use UniTile to build highly optimized 2D levels, without ever leaving Unity. With UniTile, you’ll be making great 2D games in no time!
– Intuitive interface
– Multiple layers
– Object layers for placing sprites
– Generates highly optimized maps
– Powerful tools and workflow
– Tile replacing
– Use templates to store combinations of tiles
– Ideal for iOS, Android, or any other Unity target