Keyboard shortcuts

Selecting

Moving the selection around the diagram without touching the mouse.

Action	Mac	Windows / Linux
Move the selectionSelects the nearest block in that direction.	←→↑↓	←→↑↓
Extend the selectionAdds the nearest block in that direction to the selection.	Shift←→↑↓	Shift←→↑↓
Select up or down a levelWalks the containment hierarchy: the parent container, or back down to its contents.	[]	[]
Select everythingSelects every block and path on the canvas.	⌘A	CtrlA
Enter a containerSteps inside the selected container so the next selection is scoped to its contents.	⌘Enter	CtrlEnter
Step backUndoes one layer of context per press, in order: closes the inspector if it is open, then clears the selection, then leaves the container you had stepped into.	Escape	Escape

Editing

Creating, duplicating, connecting and removing blocks.

Action	Mac	Windows / Linux
Start typingTyping with a block selected puts text inside it — no need to enter an edit mode first.	any letter or number	any letter or number
Edit the selected textOpens the selection for editing with the caret placed in its existing text.	Enter	Enter
DuplicatePlaces a copy beside the original, pushing neighbours aside to make room.	⌘D	CtrlD
Duplicate in a directionDuplicates towards the arrow, which is the fast way to lay out a row or a column.	Option←→↑↓	Alt←→↑↓
NudgeMoves the selection, pushing and squeezing exactly as a drag would.	⌘←→↑↓	Ctrl←→↑↓
ConnectDraws a path between the selected blocks.	⌘L	CtrlL
Reverse a pathSwaps the ends of the selected path and reroutes it.	OptionR	AltR
GroupSeals the selected containers so they move and select as one object.	⌘G	CtrlG
UngroupOpens a sealed group again.	⌘ShiftG	CtrlShiftG
CopyCopies the selection, with its styles, to the clipboard.	⌘C	CtrlC
DeleteRemoves the selection along with anything inside it.	BackspaceDelete	BackspaceDelete
Delete but keep contentsRemoves the selected container and leaves its children where they are.	ShiftBackspaceDelete	ShiftBackspaceDelete

Editing text

Available while the caret is inside a block of text.

Action	Mac	Windows / Linux
Move the caretAt the edge of the text, carries on into the neighbouring block.	←→↑↓	←→↑↓
New lineWhat a new line does is governed by the new-line-behaviour style property.	Enter	Enter
BackspaceAt the start of a line, merges this text into the line above it.	Backspace	Backspace
Stop editingReturns focus to the canvas with the block still selected.	Escape	Escape

Viewing

Panning and zooming, and the panels around the canvas.

Action	Mac	Windows / Linux
PanHold space and drag to pan the canvas.	Space	Space
Zoom inZooms about the centre of the viewport.	⌘+NumpadAdd	Ctrl+NumpadAdd
Zoom outZooms about the centre of the viewport.	⌘−NumpadSubtract	Ctrl−NumpadSubtract
Reset the zoomReturns to 100%.	⌘0Numpad0	Ctrl0Numpad0
Show the paletteOpens the palette of block types and icon libraries.	⌘P	CtrlP
Show or hide the inspectorToggles the panel of style controls for the current selection.	⌘I	CtrlI
Open the command menuSearches every command, including the ones with no shortcut of their own.	⌘K	CtrlK

History

Undo and redo operate on whole diagram snapshots, so one step undoes one gesture.

Action	Mac	Windows / Linux
UndoRestores the previous snapshot, including the selection it was made with.	⌘Z	CtrlZ
RedoSteps forward again until a new edit replaces the redo stack.	⌘ShiftZ	CtrlShiftZ

Everything else

Commands without a shortcut of their own (alignment, arrangement, selecting by type, etc.) are still accessible from the keyboard, via the Command Menu.