Please use CMD instead of Ctrl on Mac OS.

Editor

Command Shortcut
UndoCtrl + Z
RedoCtrl + Y, Ctrl + Shift + Z
Select All InsideCtrl + A
Copy Ctrl + C
Cut Ctrl + X
Paste Ctrl + V
Group ElementsCtrl + G
Ungroup ElementsCtrl + Shift + G
Box ElementsCtrl + Alt + G
Duplicate Ctrl + D
Bold Ctrl + B
Italic Ctrl + I
Underline Ctrl + U
Save Ctrl + S
Zoom In Ctrl + '+'
Zoom Out Ctrl + '-'
Move Up Ctrl + ↑
Move Down Ctrl + ↓
Start To Edit Text Enter
Close / Exit Esc
Delete Element Del
Move Element ← ↑ ↓ →
Move Element 10px Shift + ← ↑ ↓ →
Scroll Up Page Up
Scroll Down Page Down

Text

Command Shortcut
BoldCtrl + B
ItalicCtrl + I
UnderlineCtrl + U

Mouse

Command Shortcut
Duplicate SelectionAlt + Drag
Duplicate SelectionCtrl + Drag
Move Horizontally or VerticallyShift + Drag
Resize ProportionallyShift + Resize
Resize From CenterAlt + Resize
Resize All PaddingsAlt + Padding Resize
Multiple SelectShift + Click
Multiple SelectCtrl + Click

Add

Command Shortcut
BlockAlt + K
GridAlt + G
BoxAlt + P
Heading 1Alt + 1
Heading 2Alt + 2
Heading 3Alt + 3
Heading 4Alt + 4
Heading 5Alt + 5
Heading 6Alt + 6
TextAlt + T
HyperlinkAlt + H
ButtonAlt + B
ImageAlt + I
IconAlt + O
LineAlt + L
RectangleAlt + R

UI

Command Shortcut
Hide / Show Page Naviagator [
Hide / Show Shortcuts Ctrl + Shift + ?
Hide / Show Grid Columns Ctrl + Shift + 4