General
Mouse/arrows/wasd to pan
Scroll/pinch to zoom
+/- or Q/E to zoom
Shift + Click/Hold touch to lookup pixel
Shift + E to toggle marked placement eraser
Space to mark placements
Shift + Space to paint marked placements
G to toggle grid
I to open info
T to open settings
B to open chat
L to toggle locking panning of the canvas
P to take a snapshot
J/K to cycle through palette colors
C to copy link of moused-over coordinates
ESC to deselect current pixel
R to center the board on the current template