Option+Command+N

New movie recording

Ctrl+Option+Command+N

New audio recording

Ctrl+Command+N

New screen recording

Command+O

Open file

Command+U

Open location using a URL

Command+W

Close window

Shift+Command+S

Save/ Export

Shift+Command+E

Export for the web

Command+M

Minimize window

Command+I

Show Movie Inspector

Option+Command+P

Show export Progress

Space

Play or pause

Command+Enter

Play or pause all movies

Arrow Left

Stop playback and go back one frame

Arrow Right

Stop playback and go forward one frame

Option+Arrow Left

Go to the beginning of a movie

Option+Arrow Right

Go to the end of a movie

Command+Arrow Left

Cycle through rewind speeds

Command+Arrow Right

Cycle through fast forward speeds

Arrow Up

Turn volume up

Arrow Down

Turn volume down

Option+Arrow Up

Turn the volume up to the maximum level

Option+Arrow Down

Turn the volume down to the minimum level

Option+Command+T

Show closed captioning

Command+R

Show chapters

Command+L

Loop the movie

Command+F

Enter Full screen mode

Command+F/Esc

Exit Full screen mode

Command+1

Display movie at actual size

Command+3

Fit the movie to the screen

Command+4

Fill the screen with the movie

Command+5

Display the movie in panoramic mode

Command++

Increase the movie size

Command+-

Decrease the movie size

Command+Z

Undo

Shift+Command+Z

Redo

Command+X

Cut

Command+C

Copy

Command+V

Paste

Command+A

Select all

Shift+Command+A

Select all excluding silent portions

Shift+Command+L

Rotate left

Shift+Command+R

Rotate right

Shift+Command+H

Flip horizontal

Shift+Command+V

Flip vertical

Command+Y

Split clip

Command+T

Trim