Draw

Press ⌃2 (Control+2) to enter Draw mode. The screen freezes and you can draw on top of it.

Drawing

Input	Action
Drag	Freehand drawing
Shift + Drag	Straight line
Control + Drag	Rectangle
Tab + Drag	Ellipse
Shift + Control + Drag	Arrow

Colors

Key	Color
R	Red (default)
G	Green
B	Blue
O	Orange
Y	Yellow
P	Pink
Shift + color key	Highlighter mode

Tools

Key	Action
T	Text input mode
⌃ + scroll wheel	Change pen width
E	Erase all
W	Whiteboard background
K	Blackboard background

Actions

Key	Action
⌘Z	Undo
⌘C	Copy to clipboard
⌘S	Save to file
Space	Center cursor
Escape	Exit text mode (confirm text) / Exit Draw mode
Right-click	Exit Draw mode

Text Mode

Press T to enter text mode. Click anywhere to place a text field and start typing.

• Click another position — the current text is confirmed (rasterized) and a new text field is placed
• Escape — confirms the current text and returns to pen mode (Draw mode stays active)
• Scroll wheel — change font size
• Color keys (R/G/B/O/Y/P) — change text color
• Right-click — confirms the current text and exits Draw mode