Scroll holding Ctrl to zoom

Scroll holding Ctrl and Shift to zoom faster

Hold Shift to scroll ←horizontally→

Both C-Z and C-y work as redo

Both c and e activates color picker

Combine s & w with Shift to resize brush faster

When dragging…

Hold Alt to drag canvas

When resizing…

Hold Ctrl to drag image

Hold Shift to keep image aspect ratio

Hold Alt to anchor image at center

3
S-x
S-c Esc Tab