These global hotkeys can be activated no matter where the mouse cursor is located. For all other hotkeys, the mouse cursor must be inside the specific panel.
Escape
Exit play-in-editorAlt + P
Play/pause play-in-editor.F8
Eject from game camera during play-in-editorF10
Step one frame forward when the game is paused during play-in-editorCtrl + P
Open projectCtrl + Shift + P
Create new projectCtrl + S
Save currently opened sceneCtrl + Shift + S
Save currently opened scene as...Shift + S
Save selected assetCtrl + O
Open sceneCtrl + I
Import assetCtrl + Shift + Z
Redo actionCtrl + Z
Undo actionAlt + R
Reload all scripts (Note: If not working, this hotkey may conflict with AMD/Nvidia overlays.)Ctrl + 1
Switch to "Scene" editor modeCtrl + 2
Switch to "2D" editor modeCtrl + 3
Switch to "3D" editor modeCtrl + 4
Switch to "3D + Vertex Paint" editor modeCtrl + 5
Switch to "3D + Instance Paint" editor modeT
Toggle left pane (Scene + Assets)N
Toggle right pane (Properties)Alt + Z
Toggle editor interface
Right Click
Hold to pilot viewport cameraW/A/S/D
Move viewport camera while pilotingMouseWheel
Scroll while piloting viewport camera to adjust move speedMouse3
Hold to orbit viewport cameraShift + Mouse3
Hold to pan viewport cameraG
Translate selected nodesR
Rotate selected nodesS
Scale selected nodesX
Lock transformation to X axis (when Translating/Rotating/Scaling)Y
Lock transformation to Y axis (when Translating/Rotating/Scaling)Z
Lock transformation to Z axis (when Translating/Rotating/Scaling)Shift + X
Lock transformation to Y/Z plane (when Translating/Rotating/Scaling)Shift + Y
Lock transformation to X/Z plane (when Translating/Rotating/Scaling)Shift + Z
Lock transformation to X/Y plane (when Translating/Rotating/Scaling)F
orDecimal
Focus on selected nodeCtrl + D
Duplicate selected nodesDelete
Delete selected nodesAlt + A
Deselect all nodesCtrl + A
Select all nodesZ
Toggle wireframeK
Toggle collision debug renderingP
Toggle proxy renderingAlt + L
Toggle path tracing mode (Experimental, will probably crash, avoid this)B
Cycle through bounds rendering modeCtrl + G
Toggle gridCtrl + T
Toggle transform mode (Local vs Pivot)Numpad5
Switch between orthographic and perspective projectionNumpad1
Front viewNumpad3
Right viewNumpad7
Top viewCtrl + Numpad1
Back viewCtrl + Numpad3
Left viewCtrl + Numpad7
Bottom viewShift + A
Spawn node (as a child of the root node)Shift + Q
Quick spawn 3D node (as a child of the root node)Alt + 1
Spawn StaticMesh3D nodeAlt + 2
Spawn PointLight3D nodeAlt + 3
Spawn Node3D nodeAlt + 4
Spawn DirectionalLight3D nodeAlt + 5
Spawn SkeletalMesh3D nodeAlt + 6
Spawn Box3D nodeAlt + 7
Spawn Sphere3D nodeAlt + 8
Spawn Particle3D nodeAlt + 9
Spawn Audio3D nodeAlt + 0
Instantiate selected SceneEnd
Drop 3D node onto surface below (double tap to align to surface normal)Insert
Move selected node to where mouse is hovering (double tap to align to surface normal)Numpad0
Position selected node at current viewport camera location
Minus
Move node up in child listPlus
Move node down in child listDelete
Delete the selected nodesCtrl + D
Duplicate nodes
L
Lock the inspected objectMouse4
Inspect previous objectMouse5
Inspect next object