- ←→ or AD
- Previous / next photo
- HomeEnd
- First / last photo
- ↑↓ or WS or +−
- Zoom in / out — a quarter again a press, the same as one turn of the wheel
- 0 / 1
- Fit / 1:1 — 1:1 is one image pixel per screen pixel
- X
- Back and forth between fit and 1:1
- I
- What this photo is: name, description, downloads, rotation
- Z
- Prefer wide or tall — kept for every photograph, honoured by the ones that have both
- Q
- Thumbnails at the top or the bottom
- C
- Compare with the original
- Shift
- Browse on or off
- Space
- Clickless: the pointer alone chooses a thumbnail and pans a zoomed photograph
- T
- Show or hide the thumbnails
- B
- Show or hide the button bar
- F
- Fullscreen
- Ctrl+,
- Settings — the only way in with the button bar hidden
- ? or Ctrl+/
- This list — drag its title to move it aside
- Esc
- Close the settings, then the photo