Select subjects automatically

On the Photoshop on the web homepage, under Start something new, select Upload an image and browse for a file on your device.

Choose Select > Select subject .

In the Contextual task bar, select to add to the current selection or to subtract from it as necessary. 

In the Contextual task bar, you can further refine the selection using options such as Generative Fill, Create mask, Adjust, Invert selection, Content-aware fill, or Deselect.

Select Download.