# Shortcuts

[On Macintosh, use the "Command" key instead of the "Control" key in the sequences below.]

View "What's This" help: Move the mouse over an item and press the F2 key

View original image: Press and hold the "B" key

Zoom in/out: Use the mouse wheel

Zoom in: Control +

Zoom out: Control -

Zoom to fit: Control 0

Zoom to 1:1 magnification: Control Alt 0

Scrolling/panning: Press the Space bar and drag the image with the mouse

Undo: Control Z

Redo: Control shift Z

Activate filter preview: Click in the image

Deactivate filter preview: Right-click or control-click in the image

Open an image: Ctrl-O

Close active image: Ctrl-W

Save active image: Ctrl-S

Save As: Ctrl-Shift-S