Adobe After Effects CS5 Layers (keyboard shortcuts) keyboard shortcuts keys

Shortcut                                                                                   Command
Ctrl+Y	New solid layer
Ctrl+Alt+Shft+Y	New null layer
Ctrl+Alt+Y	New adjustment layer
0-9 on numeric keypad*	Select layer (1-999) by its number (enter digits rapidly for two-digit and three-digit numbers)
Shft+0-9 on numeric keypad*	Toggle selection of layer (1-999) by its number (enter digits rapidly for two-digit and three-digit numbers)
Ctrl+Down Arrow	Select next layer in stacking order
Ctrl+Up Arrow	Select previous layer in stacking order
Ctrl+Shft+Down Arrow	Extend selection to next layer in stacking order
Ctrl+Shft+Up Arrow	Extend selection to previous layer in stacking order
Ctrl+Shft+A	Deselect all layers
X	Scroll topmost selected layer to top of Timeline panel
Shft+F4	Show or hide Parent column
F4	Show or hide Layer Switches and Modes columns
Alt-click solo switch	Turn off all other solo switches
Ctrl+Alt+Shft+V	Turn Video (eyeball) switch on or off for selected layers
Ctrl+Shft+V	Turn off Video switch for all video layers other than selected layers
Ctrl+Shft+Y	Open settings dialog box for selected solid, light, camera, null, or adjustment layer
Ctrl+Alt+V	Paste layers at current time
Ctrl+Shft+D	Split selected layers (If no layers are selected, split all layers.)
Ctrl+Shft+C	Precompose selected layers
Ctrl+Shft+T	Open Effect Controls panel for selected layers
Double-click a layer	Open layer in Layer panel (opens source composition for precomposition layer in Composition panel)
Alt-double-click a layer	Open source of a layer in Footage panel (opens precomposition layer in Layer panel)
Ctrl+Alt+R	Reverse selected layers in time
Ctrl+Alt+T	Enable time remapping for selected layers
[ (left bracket) or ] (right bracket)	Move In point or Out point of selected layers to current time
Alt+[ (left bracket) or Alt+] (right bracket)	Trim In point or Out point of selected layers to current time
Alt-click stopwatch	Add or remove expression for a property
Double-click effect selection in Effects & Presets panel	Add an effect (or multiple selected effects) to selected layers
Ctrl+Shft+, (comma) or Ctrl+Alt+, (comma)	Set In point or Out point by time-stretching
Alt+Home	Move In point of selected layers to beginning of composition
Alt+End	Move Out point of selected layers to end of composition
Ctrl+L	Lock selected layers
Ctrl+Shft+L	Unlock all layers
Ctrl+U, Ctrl+Shft+U, or Ctrl+Alt+Shft+U	Set Quality to Best, Draft, or Wireframe for selected layers
Shft+ - (hyphen) or Shft+= (equal sign) on the main keyboard	Cycle forward or backward through blending modes for selected layers
Ctrl+F	Find in Timeline panel