Shortcut Keys For Comparing Photos in Lightroom

Adobe has gone nuts! In Lightroom there is a key combination for everything. There is even a key combination for taking the dog out and another one for feeding the cat but only if you have the left panel enabled with... in the develop module...

As far as I have figured out there are 235 key combinations in Lightroom! And these Lightroom key combinations do different things depending on the context.

Task Windows Mac
Switch to Loupe view E or Enter E or Return
Switch to Grid view G or Esc G or Esc
Switch to Compare view C C
Switch to Survey view N N
Switch from Grid to Loupe view Spacebar or Z Spacebar or Z
Swap select and candidate photos in Compare view Down Arrow Down Arrow
Make next photos select and candidate in Compare view Up Arrow Up Arrow
Toggle between Loupe and Zoom Spacebar or Z Spacebar or Z
Zoom in / zoom out in Loupe view Ctrl + = / Ctrl + - Command + = / Command + -
Scroll up/down zoomed photo in Loupe view (also works in Develop and Web modules) Page Up / Page Down on full-size keyboard Page Up / Page Down on full-size keyboard
Play impromptu slide show Ctrl + Enter Command + Return
Rotate photo right (clockwise) Ctrl + ] Command + ]
Rotate photo left (counterclockwise) Ctrl + [ Command + [
Increase/decrease Grid thumbnail size + / - + / -
Scroll up/down Grid thumbnails Page Up / Page Down on full-size keyboard Page Up / Page Down on full-size keyboard
Toggle cell extras Ctrl + Shift + H Command + Shift + H
Show/hide badges Ctrl + Alt + Shift + H Command + Option + Shift + H
Cycle Grid views J J
Open Library view options Ctrl + J Command + J
Select multiple discrete photos Ctrl-click Command-click
Select multiple contiguous photos Shift-click Shift-click
Select all photos Ctrl + A Command + A
Deselect all photos Ctrl + D Command + D
Select only active photo Ctrl + Shift + D Command + Shift + D
Deselect active photo / /
Add previous/next photo to selection Shift + Left/Right Arrow Shift + Left/Right Arrow
Select flagged photos Ctrl + Alt + A Command + Option + A
Deselect unflagged photos Ctrl + Alt + Shift + D Command + Option + Shift + D
Group into stack Ctrl + G Command + G
Unstack Ctrl + Shift + G Command + Shift + G
Toggle stack S S
Move to top of stack Shift + S Shift + S
Move up in stack Shift + [ Shift + [
Move down in stack Shift + ] Shift + ]
  • I have gathered this information from many, many sources including Adobe's own website.

I think that I have all the 235 Lightroom key combinations that work in Lightroom 2.x. The list is by functionality: