Tools Window Components
Hovering the mouse pointer over a tool icon shows a tool tip with the keyboard shortcut.
Use this tool to define a rectangular or square selection region. This tool is covered in detail in the Shape Selection Tools section.
This tool is used to create a freeform selection region. For information on how this tool works, see the Shape Selection Tools section.
This tool makes elliptical or circular selections. To find out how to use this tool, see the Shape Selection Tools section.
Move Selected Pixels
This is used to move pixels that are in the layer or current selection.
You may use this to move or modify the selection outline without affecting any pixels in the image.
This tool is used to zoom in, zoom out, or zoom the whole canvas around a particular region.
This tool scrolls, or pans the image. This functionality is also usable from any other tool at any time: hold down the spacebar and then click and drag with the mouse.
This tool fills areas of similar color with a different color. For more information on this tool, visit the Paint Bucket Tool section.
This tool is selected by default when paint.net starts. It is used to create stripes of color just like a paint filled brush would do, hence the name. This tool is covered in detail in the Paintbrush Tool section.
As the name suggests, this tool erases or removes areas of the image by setting the opacity, or alpha, of the pixels to 0. This tool is discussed in detail in the Eraser Tool section.
This tool allows editing of the active layer on a pixel-by-pixel basis. See the Pencil Tool section for more information on this tool.
Use this tool to "pick up" a color from the active layer and set it as the current
This tool is used to copy regions of pixels between different layers, or within the same layer. For a detailed discussion on how to use this tool, visit the Clone Stamp Tool section.
This tool places text on the active layer. Find out how to use the
Draw straight or curved lines on the active layer with this tool. More can be found on this tool in the Line/Curve Tool section.
This is used to draw a number of predefined shapes. This tool is covered in detail in the Geometric Shape Tools section.