diff --git a/src/blenderbim/blenderbim/bim/module/project/__init__.py b/src/blenderbim/blenderbim/bim/module/project/__init__.py
index 1e63507dd1..a2929523cd 100644
--- a/src/blenderbim/blenderbim/bim/module/project/__init__.py
+++ b/src/blenderbim/blenderbim/bim/module/project/__init__.py
@@ -20,28 +20,29 @@ import bpy
 from . import ui, prop, operator
 
 classes = (
-    operator.CreateProject,
-    operator.LoadProject,
-    operator.UnloadProject,
-    operator.LoadProjectElements,
-    operator.LinkIfc,
-    operator.UnlinkIfc,
-    operator.UnloadLink,
-    operator.LoadLink,
-    operator.ToggleLinkVisibility,
-    operator.SelectLibraryFile,
-    operator.ChangeLibraryElement,
-    operator.RefreshLibrary,
-    operator.RewindLibrary,
-    operator.AssignLibraryDeclaration,
-    operator.UnassignLibraryDeclaration,
-    operator.SaveLibraryFile,
     operator.AppendLibraryElement,
-    operator.EnableEditingHeader,
+    operator.AssignLibraryDeclaration,
+    operator.ChangeLibraryElement,
+    operator.CreateProject,
     operator.DisableEditingHeader,
     operator.EditHeader,
+    operator.EnableEditingHeader,
     operator.ExportIFC,
     operator.ImportIFC,
+    operator.LinkIfc,
+    operator.LoadLink,
+    operator.LoadProject,
+    operator.LoadProjectElements,
+    operator.RefreshLibrary,
+    operator.RewindLibrary,
+    operator.SaveLibraryFile,
+    operator.SelectLibraryFile,
+    operator.ToggleFilterCategories,
+    operator.ToggleLinkVisibility,
+    operator.UnassignLibraryDeclaration,
+    operator.UnlinkIfc,
+    operator.UnloadLink,
+    operator.UnloadProject,
     prop.LibraryElement,
     prop.FilterCategory,
     prop.Link,
diff --git a/src/blenderbim/blenderbim/bim/module/project/operator.py b/src/blenderbim/blenderbim/bim/module/project/operator.py
index 17ddfdc7bc..ae6f914c66 100644
--- a/src/blenderbim/blenderbim/bim/module/project/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/project/operator.py
@@ -604,6 +604,18 @@ class LoadProjectElements(bpy.types.Operator):
         return set(self.file.by_type("IfcElement")) - set(selector.parse(self.file, self.props.filter_query))
 
 
+class ToggleFilterCategories(bpy.types.Operator):
+    bl_idname = "bim.toggle_filter_categories"
+    bl_label = "Toggle Filter Categories"
+    bl_options = {"REGISTER", "UNDO"}
+    should_select: bpy.props.BoolProperty(name="Should Select", default=True)
+
+    def execute(self, context):
+        for filter_category in context.scene.BIMProjectProperties.filter_categories:
+            filter_category.is_selected = self.should_select
+        return {"FINISHED"}
+
+
 class LinkIfc(bpy.types.Operator):
     bl_idname = "bim.link_ifc"
     bl_label = "Link IFC"
diff --git a/src/blenderbim/blenderbim/bim/module/project/ui.py b/src/blenderbim/blenderbim/bim/module/project/ui.py
index 0a6b668fda..9ecef6de71 100644
--- a/src/blenderbim/blenderbim/bim/module/project/ui.py
+++ b/src/blenderbim/blenderbim/bim/module/project/ui.py
@@ -53,6 +53,10 @@ class BIM_PT_project(Panel):
         row = self.layout.row()
         row.prop(pprops, "filter_mode")
         if pprops.filter_mode in ["DECOMPOSITION", "IFC_CLASS"]:
+            row = self.layout.row(align=True)
+            row.alignment = "RIGHT"
+            row.operator("bim.toggle_filter_categories", text="", icon="CHECKBOX_HLT").should_select = True
+            row.operator("bim.toggle_filter_categories", text="", icon="CHECKBOX_DEHLT").should_select = False
             self.layout.template_list(
                 "BIM_UL_filter_categories",
                 "",