These move you around and open things, so they are not available for rebinding. Settings lists them too, so nothing about the keyboard is hidden.
| Keys | What they do |
|---|---|
| ← → ↑ ↓ | Move between photographs; when zoomed, pan the current photo. Hold ⇧ to extend the selection, hold ⌘ to move the focus without changing the selection. |
| Space | Open or close the preview. On a video, play or pause. |
| ↩ | Open or close the preview. |
| Esc | Dismiss the innermost popup or editing interaction, then leave Compare or Review. Escape does not close an idle standalone editor. |
| Tab / ⇧Tab | Move keyboard focus to the next or previous control. |
| ⌥Tab | Next split. ⌥⇧Tab goes back. |
| Home End | First and last photograph. |
| Page Up Page Down | Previous and next photograph. |
| J K L , . M | In a video: shuttle back, play or pause, shuttle forward, step a frame back, step a frame forward, mute. |