After Effects Tutorial: Useful Keyboard Shortcuts
Sorry if the tutorial seemed too long for a simple shortcuts tutorial. But basically here are the ones that I think are the most useful:
(Ctrl and Cmd are interchangable)
Ctrl A Select All
Enter Rename Layer
Ctrl I Import Footage
Space Bar Hand Grabber
Ctrl N New Compostion
Ctrl D Duplicate
Ctrl Shift D Split
B begin work area
N end work area
0 (zero) start RAM preview
F4 toggle switches
[ begin footage
] end footage
alt [ trim beginning of footage
alt ] trim end of footage
T opacity
P position
L audio levels
LL waveform
AA material options (3D)
F mask feathering
M mask path
MM all mask properties
R rotation
S scale
E effects
U show all keyframes and expressions
F9 easyease keyframe
if I missed anything, please feel free to add it in the comments and I will add it to the description :]