diff --git a/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs b/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs
new file mode 100644
index 00000000..da06462e
--- /dev/null
+++ b/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs	
@@ -0,0 +1,13 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace Toolbox.Editor.Drawers
+{
+    public class DisableInEditModeAttributeDrawer : ToolboxConditionDrawer<DisableInEditModeAttribute>
+    {
+        protected override PropertyCondition OnGuiValidateSafe(SerializedProperty property, DisableInEditModeAttribute attribute)
+        {
+            return !EditorApplication.isPlayingOrWillChangePlaymode ? PropertyCondition.Disabled : PropertyCondition.Valid;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs.meta b/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs.meta
new file mode 100644
index 00000000..5a25dde5
--- /dev/null
+++ b/Assets/Editor Toolbox/Editor/Drawers/Toolbox/Condition/DisableInEditModeAttributeDrawer.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: d5c4b58349e74f54a956ec5617c5f6a5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Editor Toolbox/EditorSettings.asset b/Assets/Editor Toolbox/EditorSettings.asset
index 1f90d876..e3bc1311 100644
--- a/Assets/Editor Toolbox/EditorSettings.asset	
+++ b/Assets/Editor Toolbox/EditorSettings.asset	
@@ -75,6 +75,7 @@ MonoBehaviour:
   conditionDrawerHandlers:
   - typeReference: Toolbox.Editor.Drawers.DisableAttributeDrawer, Toolbox.Editor
   - typeReference: Toolbox.Editor.Drawers.DisableIfAttributeDrawer, Toolbox.Editor
+  - typeReference: Toolbox.Editor.Drawers.DisableInEditModeAttributeDrawer, Toolbox.Editor
   - typeReference: Toolbox.Editor.Drawers.DisableInPlayModeAttributeDrawer, Toolbox.Editor
   - typeReference: Toolbox.Editor.Drawers.EnableIfAttributeDrawer, Toolbox.Editor
   - typeReference: Toolbox.Editor.Drawers.HideAttributeDrawer, Toolbox.Editor
diff --git a/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs b/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs
new file mode 100644
index 00000000..4b6c7b45
--- /dev/null
+++ b/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs	
@@ -0,0 +1,15 @@
+using System;
+using System.Diagnostics;
+
+namespace UnityEngine
+{
+    /// <summary>
+    /// Marks serialized field as read-only but only in the EditMode.
+    /// 
+    /// <para>Supported types: all.</para>
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
+    [Conditional("UNITY_EDITOR")]
+    public class DisableInEditModeAttribute : ToolboxConditionAttribute
+    { }
+}
\ No newline at end of file
diff --git a/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs.meta b/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs.meta
new file mode 100644
index 00000000..56ba97d1
--- /dev/null
+++ b/Assets/Editor Toolbox/Runtime/Attributes/Property/Toolbox/ConditionAttributes/DisableInEditModeAttribute.cs.meta	
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1fb36dd13fa8079488cdaa422d7653b1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Examples/Scenes/SampleScene.unity b/Assets/Examples/Scenes/SampleScene.unity
index ffb9dbfe..071a9441 100644
--- a/Assets/Examples/Scenes/SampleScene.unity
+++ b/Assets/Examples/Scenes/SampleScene.unity
@@ -1027,9 +1027,9 @@ MonoBehaviour:
   sceneReference: {fileID: 0}
   childReference: {fileID: 0}
   prefabReference: {fileID: 0}
+  notPrefabReference: {fileID: 0}
   bigNumber: 12345678
   currency: 20.41
-  veryVeryVeryVeryVeryLongName: 0
 --- !u!4 &959025299
 Transform:
   m_ObjectHideFlags: 2
@@ -1530,6 +1530,7 @@ MonoBehaviour:
   var39: 18
   var55: 0
   var56: 0
+  veryVeryVeryVeryVeryLongName: 0
   var57: 0
 --- !u!4 &1438743619
 Transform:
@@ -1574,23 +1575,6 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: c48a231d0fb97494d948757fb057b3ea, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  gos1:
-  - {fileID: 0}
-  gos2:
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  - {fileID: 0}
-  go1: {fileID: 1670253091}
-  go2: {fileID: 0}
-  go3: 0
-  go4: 0
   var1: 25.4
   var2: {fileID: 977748988}
   var3: 0
@@ -1701,16 +1685,17 @@ MonoBehaviour:
   stringValue: sho
   var33: 0
   objectValue: {fileID: 0}
-  var36: 0
+  var34: 0
   floatValue: 0.46
-  var37: 0
-  enumValue: 97
   var35: 0
-  var41: 00000000000000000000000000000000
+  enumValue: 97
+  var36: 0
+  var37: 
+  var38: 0
   var39: 0
   var40: 2
+  var41: 0
   var42: 0
-  var43: 0
 --- !u!1 &1972418676
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/Examples/Scripts/SampleBehaviour3.cs b/Assets/Examples/Scripts/SampleBehaviour3.cs
index 89014731..c785f834 100644
--- a/Assets/Examples/Scripts/SampleBehaviour3.cs
+++ b/Assets/Examples/Scripts/SampleBehaviour3.cs
@@ -21,7 +21,7 @@ public string GetStringValue()
     [Help("Assign any GameObject")]
     public GameObject objectValue;
     [HideIf(nameof(ObjectValue), false)]
-    public int var36;
+    public int var34;
 
     private GameObject ObjectValue
     {
@@ -33,22 +33,27 @@ private GameObject ObjectValue
     [Help("Set value to > 0.5")]
     public float floatValue = 1.0f;
     [EnableIf(nameof(floatValue), 0.5f, Comparison = UnityComparisonMethod.Greater)]
-    public int var37;
+    public int var35;
 
     [Label("Disable If", skinStyle: SkinStyle.Box)]
 
     public KeyCode enumValue = KeyCode.A;
     [DisableIf(nameof(enumValue), KeyCode.A)]
-    public int var35;
+    public int var36;
 
     [Label("Disable", skinStyle: SkinStyle.Box)]
 
     [Disable]
-    public int[] var41= new int[4];
+    public int[] var37 = new int[4];
 
-    [Label("Disable In Playmode", skinStyle: SkinStyle.Box)]
+    [Label("Disable In Play Mode", skinStyle: SkinStyle.Box)]
 
     [DisableInPlayMode]
+    public int var38;
+
+    [Label("Disable In Edit Mode", skinStyle: SkinStyle.Box)]
+
+    [DisableInEditMode]
     public int var39;
 
     [Label("Show Warning If", skinStyle: SkinStyle.Box)]
@@ -59,10 +64,10 @@ private GameObject ObjectValue
     [Label("Show Disabled If", skinStyle: SkinStyle.Box)]
 
     [ShowDisabledIf(nameof(var40), 3, Comparison = UnityComparisonMethod.LessEqual)]
-    public int var42;
+    public int var41;
 
     [Label("Hide Disabled If", skinStyle: SkinStyle.Box)]
 
     [HideDisabledIf(nameof(var40), 3, Comparison = UnityComparisonMethod.GreaterEqual)]
-    public int var43;
+    public int var42;
 }
\ No newline at end of file