3.11. Smudge Tool

The Smudge tool uses the current brush to smudge colors on the active layer or a selection. It takes color in passing and uses it to mix it to the next colors it meets, on a distance you can set.

Activate Tool

  • The Smudge Tool can be called in the following order, from the image-menu: Tools/ Paint Tools/Smudge .

  • The Tool can also be called by clicking the tool icon:

Key modifiers (Defaults)


The Shift-s key combination will change the active tool to Smudge.


The Shift key places the smudge tool into straight line mode. Holding Shift while clicking Button1 will smudge in a straight line. Consecutive clicks will continue smudging in straight lines that originate from the end of the last line.


[Note] Note

See the Brush Tools Overview for a description of tool options that apply to many or all brush tools.


The available tool options for the Smudge Tool can be accessed by double clicking the Smudge Tool icon.


The Opacity slider sets the transparency level for the paint. A higher opacity setting results in a more opaque fill and a lower setting results in a more transparent fill.


Indicates the active brush. Clicking on the brush icon opens the brush selection dialog.

Hard Edge

By default the smudge tool softens the edges of and area smudged. The Hard Edge toggle changes this behavior. Any area smudged while this option is active will be smudged with no softening of the edge of the brush used.

Pressure Sensitivity

The Pressure Sensitivity section sets the sensitivity levels for input devices that support this option.

Fade Out

This option sets the stroke to fade out after the specified distance. The stroke will fade to transparency at the completion of the set distance.


The rate slider sets the strength of the smudge effect.