The following keyboard shortcuts work in the Crater Editor:

Delete, Backspace - Deletes the selected element

Shift - Hold down the shift key to select multiple elements

Space - Activates the Hand tool

←, ↑, →, ↓ - Moves the selected element

Ctrl + A, Ctrl + 1 (Numpad) - Selects all the elements

Ctrl + X - Cut

Ctrl + C - Copy

Ctrl + V - Paste

Ctrl + Z - Undo

Ctrl + Y - Redo

Ctrl + (Numpad) - Zoom in

Ctrl - (Numpad) - Zoom out

Ctrl + 0 - Zooms out to the smallest zoom value

Ctrl + 1 - Moves the Editor Workspace to the original coordinate

Ctrl + S - Save changes

Ctrl + Q - Discards changes

Tools:

Alt + Backslash - Activates the Line tool

M - Activates the Rectangle tool

L - Activates the Oval tool

N - Activates the Shape tool

R - Activates the Rotation tool

E - Activates the Free Transform tool

Z - Activates the Zoom tool

H - Activates the Hand tool

P - Activates the Photo tool

I - Activates the Eyedropper tool

Y - Activates the YouTube tool

Ctrl + Space - Activates the Text tool

Esc - Unselects element from the library when placing it

Learn more about keyboard shortcuts for the Crater Editor (for Mac).