Lightroom

Design Tools
Library
G Grid view Win mac Linux
E Loupe (single image) view Win mac Linux
D Go to Develop module Win mac Linux
C Compare view Win mac Linux
N Survey view Win mac Linux
P Flag photo as Pick Win mac Linux
X Flag photo as Rejected Win mac Linux
U Remove flag Win mac Linux
1-5 Set star rating (1 to 5 stars) Win mac Linux
Left / Right Arrow Previous / next photo Win mac Linux
Develop
R Crop tool Win mac Linux
W White Balance Selector tool Win mac Linux
K Adjustment Brush tool Win mac Linux
V Toggle color / black and white Win mac Linux
[ Decrease brush size Win mac Linux
] Increase brush size Win mac Linux
CTRL+U Auto Tone Win Linux
+U Auto Tone mac
CTRL+⇧ Shift+C Copy Develop settings Win Linux
+⇧ Shift+C Copy Develop settings mac
CTRL+⇧ Shift+V Paste Develop settings Win Linux
+⇧ Shift+V Paste Develop settings mac
Navigation
CTRL+= Zoom in Win Linux
+= Zoom in mac
CTRL+- Zoom out Win Linux
+- Zoom out mac
F Full screen mode Win mac Linux
L Cycle Lights Out mode (normal → dim → black) Win mac Linux
⇥ Tab Toggle side panels Win mac Linux
⇧ Shift+⇥ Tab Toggle all panels Win mac Linux
File
CTRL+⇧ Shift+I Import photos Win Linux
+⇧ Shift+I Import photos mac
CTRL+⇧ Shift+E Export photos Win Linux
+⇧ Shift+E Export photos mac
CTRL+E Edit in Photoshop (external editor) Win Linux
+E Edit in Photoshop (external editor) mac
CTRL+Z Undo Win Linux
+Z Undo mac