Modes

Shortcut Action
Escape Grid
Space View
Return Develop
K Crop
L Lightbox

Space enters View mode from Grid or Crop. In View and Develop modes, it toggles the image zoom instead.

Navigation

Shortcut Action
Left Arrow Previous photo
Right Arrow Next photo
Delete Remove from Group
Option+Delete Toggle Rejected on selected photo(s)
Cmd+Delete Remove from Project

Window

Shortcut Action
Cmd+, Open Settings
Ctrl+O Show/Hide Organizer (sidebar)
Ctrl+I Show/Hide Inspector
L Open/Close Lightbox

Sidebar

Shortcut Action
Ctrl+A All photos
Ctrl+S Starred
Ctrl+D Rejected

Grid

Shortcut Action
/ Show/Hide Metadata
Cmd+A Select All
Cmd+Shift+A Select None
Cmd+Shift+F Show/Hide Filters
Cmd+Shift+Option+F Reset Filters
Cmd+Option+1Cmd+Option+5 Filter by star rating
Cmd+Option+` Filter to unstarred

Photo Organization

Shortcut Action
15 Set star rating
` Clear rating (no stars)

Zoom

Shortcut Action
Cmd+Plus Zoom In
Cmd+Minus Zoom Out
Cmd+Shift+Minus Fit Window
Cmd+Shift+Plus Fill Window
Cmd+Option+Shift+Plus 1:1 Pixels
Space Toggle between Inset and Pixels modes

In Grid mode, Zoom In/Out adjusts the grid column count. See Browsing for the zoom modes.

Balance

Each Balance control has a dedicated pair of keys: the top-row key increases the value, the home-row key below it decreases. See Balance.

Shortcut Control
Q / A Exposure
W / S Temperature
E / D Tint
R / F Contrast
T / G Shadows
Y / H Highlights
U / J Saturation
Modifier Step Size
(none) Normal
Shift Large (3x)
Option Small (1/3)

Adjustments

Shortcut Action
Cmd+Shift+C Copy Adjustments
Cmd+Shift+V Paste Adjustments
Cmd+Shift+B Paste Balance
Cmd+Shift+J Select Adjustments
Cmd+B Balance from Previous Photo
Cmd+J Adjust from Previous Photo
Cmd+R Reset Balance / Reset Crop (contextual)
Cmd+Shift+R Reset All Adjustments

Rotation

Shortcut Action
Cmd+] Rotate Right (clockwise)
Cmd+[ Rotate Left (counter-clockwise)

Background Color

Shortcut Action
, Darker background
. Lighter background

Audition

Shortcut Action
\ (hold) Show original unedited photo

Import & Export

Shortcut Action
Cmd+I Import Files
Cmd+E Export selected with active preset

Edit

Shortcut Action
Cmd+Z Undo
Cmd+Shift+Z Redo

Looks

Shortcut Action
6 7 8 9 0 Toggle assigned look
- Base Look (removes current look)
] Next Look
[ Previous Look

Assign looks to shortcut keys by dragging a look onto a numbered slot in the Looks panel. See Looks.