Eraser tool, commonly known as "touch", is used to erase images. What is erased on the background layer is directly related to the background color. Eraser tool is used to erase unnecessary parts. If you want to erase a picture, it will display the background color set by PS after erasing part (if the background color is red, the erased real part is also red).

There are also background eraser tool and magic eraser tool in the toolbar of eraser tool. When the background eraser tool erases the edge of an object, even if the brush covers the object and the background, as long as the cross is in the color of the background, only the background will be deleted, but the object will not. ? The magic eraser tool is similar to the magic wand tool in the PS toolbar.

Extended data

Functions of other eraser tools

1, background eraser tool:

Background eraser is mainly used for matting, which can erase the background color and reveal the transparent background. Depending on whether the dots are continuous or not, different erasing effects can be obtained.

2, magic eraser tool

The magic eraser tool is also used for matting, which can erase pixels with the same color in a picture in batches. However, this erasing method is very rough, and it is generally used in brightly colored pictures.

Baidu encyclopedia-eraser tool

Baidu Encyclopedia-Background Eraser Tool