The quick selection tool allows you to select parts of an image; drag it over the area you want to keep, then copy that layer and delete the original layer to isolate it. You can then smooth the edges of the selection with the eraser tool.

1. How to use quick selection tool

2. Select quick selection tool

3. Drag cursor over area you wish to keep

4. Copy layer and delete the original layer

5. Smooth edges with eraser and you’re
done