Shortcuts

Global

Shortcut Action
⌘⇧6 Region capture — default, customizable in Settings
⌘⇧4 Region capture — if “Override native screenshot” is enabled
Space Window select during region capture — click to grab
Esc Cancel a capture in progress

Editor: Annotation Tools

Key Tool
s Select
r Rectangle
o Oval
a Arrow
d Draw (freehand)
t Text
e Edit Image mode

Editor: View

Shortcut Action
⌘+ / ⌘− Zoom in / out
⌘0 Reset zoom to 100%

Editor: Annotations

Shortcut Action
⌘Z / ⌘⇧Z Undo / redo
⌘C Copy selected annotation(s) to the clipboard
⌘V Paste copied annotation(s) or an image overlay from the clipboard
Delete Remove selection
⌘A Select all annotations
⌘L Lock / unlock selection
⌘↑ / ⌘↓ Bring forward / send backward
⌘⇧↑ / ⌘⇧↓ Bring to front / send to back
← / ↑ / → / ↓ Nudge active selection by 1 px, or by 10 px with ⇧
⌥⌘←/↑/→/↓ Align selection left / top / right / bottom (2+ selected)
⌥⌘⇧←→ / ⌥⌘⇧↑↓ Align centers — horizontal / vertical (2+ selected)
+ / − Grow / shrink the selection — font size for text (2 pt), line width otherwise (1 px)
1–8 Apply favorite color to selection (⇧ = fill / background); edit the palette in Settings

Modifiers

Shortcut Action
⇧ while drawing a shape Constrain to a square
⇧ while drawing an arrow, drawing freehand Snap to 45° angles
⇧ while resizing Keep the original proportions
⇧ while moving Lock to horizontal / vertical

Editor: Draw polylines

Click (rather than drag) with the Draw tool to build a multi-segment line point by point.

Shortcut Action
Click Add a vertex
Delete Remove the last vertex
Esc / Return / Double-click End the line

AI input

Shortcut Action
Return Submit the prompt
↑ / ↓ Recall previous prompts
Esc Dismiss the response panel