Adobe After Effects CS5 Modifying layer properties (keyboard shortcuts) keyboard shortcuts keys

Shortcut                                                                            Command
Drag property value	Modify property value by default increments
Shft-drag property value	Modify property value by 10x default increments
Ctrl-drag property value	Modify property value by 1/10 default increments
Ctrl+Alt+O	Open Auto-Orientation dialog box for selected layers
Ctrl+Shft+O	Open Opacity dialog box for selected layers
Ctrl+Shft+R	Open Rotation dialog box for selected layers
Ctrl+Shft+P	Open Position dialog box for selected layers
Ctrl+Home	Center selected layers in view (modifies Position property to place anchor points of selected layers in center of current view)
arrow key	Move selected layers 1 pixel at current magnification (Position)
Shft+arrow key	Move selected layers 10 pixels at current magnification (Position)
Alt+Page Up or Alt+Page Down	Move selected layers 1 frame earlier or later
Alt+Shft+Page Up or Alt+Shft+Page Down	Move selected layers 10 frames earlier or later
+ (plus) or - (minus) on numeric keypad	Increase or decrease Rotation (Z Rotation) of selected layers by 1º
Shft++ (plus) or Shft+- (minus) on numeric keypad	Increase or decrease Rotation (Z Rotation) of selected layers by 10º
Ctrl+Alt++ (plus) or Ctrl+Alt+- (minus) on numeric keypad	Increase or decrease Opacity (or Intensity for light layers) of selected layers by 1%
Ctrl+Alt+Shft++ (plus) or Ctrl+Alt+Shft+- (minus) on numeric keypad	Increase or decrease Opacity (or Intensity for light layers) of selected layers by 10%
Ctrl++ (plus) or Alt++ (plus) on numeric keypad	Increase Scale of selected layers by 1%
Ctrl+- (minus) or Alt+- (minus) on numeric keypad	Decrease Scale of selected layers by 1%
Ctrl+Shft++ (plus) or Alt+Shft++ (plus) on numeric keypad	Increase Scale of selected layers by 10%
Ctrl+Shft+- (minus) or Alt+Shft+- (minus) on numeric keypad	Decrease Scale of selected layers by 10%
Shft-drag with Rotation tool	Modify Rotation or Orientation in 45º increments
Shft-drag layer handle with Selection tool	Modify Scale, constrained to footage frame aspect ratio
Double-click Rotation tool	Reset Rotation to 0º
Double-click Selection tool	Reset Scale to 100%
Ctrl+Alt+F	Scale and reposition selected layers to fit composition
Ctrl+Alt+Shft+H	Scale and reposition selected layers to fit composition width, preserving image aspect ratio for each layer
Ctrl+Alt+Shft+G	Scale and reposition selected layers to fit composition height, preserving image aspect ratio for each layer