The Background Eraser Tool clears content of background layer to transparency:
- In the Toolbox, select the Background Eraser
Tool. - Choose brush size and style*.
- Choose in Layers palette Background.
- Erase.
- The gadget Sampling on the Options bar
allows to select one of three erasing modes:
- Continuous (default method) allows to erase everything.
- Once allows to erase only color you first click; for example if you start a stoke on a red area the tool erases only red pixels.
- Background Swatch allows to erase only pixels containing current background color.
- Tolerance gadget sets the tool's sensitivity.
- Limits defines range of the tool: all over image (Discontiguous), only adjacent areas (Contiguous) or only inside pixels (Find Edges).
- Protect Foreground Color option disallows to clear pixels containing current foreground color.
* More about choosing brush.
Since 1999, Andrei has run the digiCollage – an online image editor's shop. Having edited all kinds of customers' images, he has vast Photoshop experience that he willingly shares with you in this course. You are invited to look over an expert's shoulder and see Photoshop in action.
More Tutorials: 
