Left Click = Draw pixels
Right Click = Erase pixels
Middle Click = Pick element
Scroll = Change brush size
Shift + Click = Draw line
Space / P = Pause
> = Single step
R = Clear canvas
E = Search elements
I = Element info
\ = Settings
L = Save/Load
F / F11 = Fullscreen
F1 = Toggle UI
F2 / C = Screenshot
T = Change TPS
1–5 = Change view
←→ = Change category
+ / ] = Bigger brush
- / [ = Smaller brush
Shift+- = Brush size 1
H = Heat at cursor
K = Cool at cursor
X = Shock at cursor
M = Mix at cursor