Shortcuts: Space = toggle pan, Shift = constrain/modify, Ctrl+C, Ctrl+V, Delete = erase selection

Share creates a URL with a compact base64 JSON in the fragment. Use offset inputs to shift coordinates when exporting commands.

Click to draw. Drag for pan (tool=pan) or to draw strokes. Use Line/Circle for shapes. Selection supports copy/paste. Commands use current Y (layer) unless selection includes multiple Y's.