diff --git a/Source/Editor/Options/InputOptions.cs b/Source/Editor/Options/InputOptions.cs
index 0a1a78cab..f02d91da4 100644
--- a/Source/Editor/Options/InputOptions.cs
+++ b/Source/Editor/Options/InputOptions.cs
@@ -68,6 +68,10 @@ namespace FlaxEditor.Options
         [EditorDisplay("Common"), EditorOrder(220)]
         public InputBinding ContentFinder = new InputBinding(KeyboardKeys.O, KeyboardKeys.Control);
 
+        [DefaultValue(typeof(InputBinding), "R")]
+        [EditorDisplay("Common"), EditorOrder(230)]
+        public InputBinding RotateSelection = new InputBinding(KeyboardKeys.R);
+
         #endregion
 
         #region Scene
diff --git a/Source/Editor/Viewport/MainEditorGizmoViewport.cs b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
index eb82a42bf..bf72bc1c0 100644
--- a/Source/Editor/Viewport/MainEditorGizmoViewport.cs
+++ b/Source/Editor/Viewport/MainEditorGizmoViewport.cs
@@ -362,6 +362,7 @@ namespace FlaxEditor.Viewport
             InputActions.Add(options => options.RotateMode, () => TransformGizmo.ActiveMode = TransformGizmoBase.Mode.Rotate);
             InputActions.Add(options => options.ScaleMode, () => TransformGizmo.ActiveMode = TransformGizmoBase.Mode.Scale);
             InputActions.Add(options => options.FocusSelection, FocusSelection);
+            InputActions.Add(options => options.RotateSelection, RotateSelection);
             InputActions.Add(options => options.Delete, _editor.SceneEditing.Delete);
         }
 
@@ -666,6 +667,49 @@ namespace FlaxEditor.Viewport
             Gizmos.ForEach(x => x.OnSelectionChanged(selection));
         }
 
+        /// <summary>
+        /// Press "R" to rotate the selected gizmo objects 45 degrees.
+        /// </summary>
+        public void RotateSelection()
+        {
+            var win = (WindowRootControl)Root;
+            var selection = _editor.SceneEditing.Selection;
+            var IsShiftDown = win.GetKey(KeyboardKeys.Shift);
+
+            Quaternion rotationDelta;
+            if(IsShiftDown)
+                rotationDelta = Quaternion.Euler(0.0f, -45.0f, 0.0f);
+            else
+                rotationDelta = Quaternion.Euler(0.0f, 45.0f, 0.0f);
+
+            bool useObjCenter = TransformGizmo.ActivePivot == TransformGizmoBase.PivotType.ObjectCenter;
+            Vector3 gizmoPosition = TransformGizmo.Position;
+
+            //PE: Rotate selected objects.
+            bool isPlayMode = Editor.Instance.StateMachine.IsPlayMode;
+            for (int i = 0; i < selection.Count; i++)
+            {
+                var obj = selection[i];
+                if (isPlayMode && obj.CanTransform == false)
+                    continue;
+                var trans = obj.Transform;
+                Vector3 pivotOffset = trans.Translation - gizmoPosition;
+                if (useObjCenter || pivotOffset.IsZero)
+                {
+                    trans.Orientation *= Quaternion.Invert(trans.Orientation) * rotationDelta * trans.Orientation;
+                }
+                else
+                {
+                    Matrix.RotationQuaternion(ref trans.Orientation, out var transWorld);
+                    Matrix.RotationQuaternion(ref rotationDelta, out var deltaWorld);
+                    Matrix world = transWorld * Matrix.Translation(pivotOffset) * deltaWorld * Matrix.Translation(-pivotOffset);
+                    trans.SetRotation(ref world);
+                    trans.Translation += world.TranslationVector;
+                }
+                obj.Transform = trans;
+            }
+        }
+
         /// <summary>
         /// Focuses the viewport on the current selection of the gizmo.
         /// </summary>