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The Full List of Keyboard Shortcuts in Paint

Most menu commands in Paint, and several tool options, can be reached from the keyboard. Below, the shortcuts are grouped the way the menus are, followed by the keys that work on a selection, the keys that change a tool's size, the keys you hold while drawing and the keys that open the menus. Ctrl means the Control key, also on a Mac. Only keys this editor actually responds to are listed, so a key you know from another program may be missing on purpose.

Create, open and save pictures, and undo mistakes

These cover the File and Edit menus. Undo has no fixed limit, so you can keep pressing Ctrl+Z to walk back through as many changes as you need. Cut, copy and paste go through the browser's clipboard, so an image already sitting on the clipboard can be pasted in as well. Some browsers keep Ctrl+N and Ctrl+Shift+N for opening a new window, so use File > New or Image > Clear Image if the key opens a window instead.

KeyWhat it does
Ctrl+NStarts a new picture
Ctrl+OOpens a picture
Ctrl+SSaves the picture
Ctrl+Shift+SSaves the picture under a new name (Save As)
Ctrl+ZUndoes the last change
F4Repeat: brings back the change you just undid
Ctrl+Y or Ctrl+Shift+ZRedo
Ctrl+XCuts the selection
Ctrl+CCopies the selection
Ctrl+VPastes the selection or an image from the clipboard
Ctrl+ASelects the whole picture (Select All)

Shortcuts for the View and Image menus

The Image menu has the most keys. The zoom commands in View have none, so zooming is done from the menu. Stretch/Skew also has no key and opens only from the Image menu, while flipping and rotating have both a dialog key and two direct rotate keys that turn the picture a quarter turn without opening anything.

KeyWhat it does
Ctrl+FView Bitmap: shows the picture full screen
Ctrl+IInvert Colors
Ctrl+EOpens Attributes..., which holds the Transparent or Opaque choice
Ctrl+Shift+NClear Image
Ctrl+ROpens Flip/Rotate
Ctrl+. or Ctrl+]Turns the picture 90 degrees clockwise
Ctrl+, or Ctrl+[Turns the picture 90 degrees counterclockwise
Ctrl+Shift+GRender History As GIF, which works even while the Extras menu is hidden

Move, resize and drop a selection with the keyboard

After you mark an area with Select or Free-Form Select, these keys act on it. The plus and minus keys meant here sit on the numeric keypad. With nothing selected, Escape cancels the stroke or shape you are drawing; with a drawing tool such as the Pencil it can also undo the last change, which F4 brings back.

KeyWhat it does
Arrow keysNudge the selection one pixel in that direction
EnterPlaces the selection onto the picture
EscapeAlso places the selection onto the picture
Keypad +Makes the selection twice as large
Keypad -Makes the selection half as large
DeleteClear Selection, removes the selected area

Change brush and line thickness from the keypad

With nothing selected, the numeric keypad + and - keys make the current tool thicker or thinner. This works for the Brush, Eraser/Color Eraser, Airbrush and Pencil, and it sets the line width for Line, Curve, Rectangle, Ellipse, Polygon and Rounded Rectangle. The size can go as high as 500 and as low as 1, but the Pencil tops out at 50.

Keys to hold while you draw or drag

Some keys only do something while a mouse button is down. The mouse buttons themselves pick the color: a stroke made with the left mouse button takes the primary color; switch to the right button for the secondary color.

HoldWithResult
CtrlAny drawing toolDraws in the third color, if you have set one
CtrlA click on a swatch in the color boxMakes that swatch the third color
ShiftFill With ColorSwaps the clicked color for the new one everywhere it appears
ShiftLine or CurveKeeps the line to 45 degree steps
ShiftRectangle, Ellipse or Rounded RectangleKeeps width and height equal, for a square or circle
CtrlSelectCrops the picture to the rectangle you drag out
CtrlDragging a selectionLeaves a copy of the selection behind where it started
ShiftDragging a selectionSmears a trail of the selection along the path

Open the menus without the mouse

Why shortcuts stop working while you type text

As long as the cursor is inside a text field, the editor sets its own shortcuts aside. Keys like Ctrl+Z then act on the words being typed, not on the picture.