diff --git a/Kernel/API/KeyCode.h b/Kernel/API/KeyCode.h
index d05a24563ac..26a1e0b941a 100644
--- a/Kernel/API/KeyCode.h
+++ b/Kernel/API/KeyCode.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <AK/EnumBits.h>
+#include <AK/Platform.h>
 #include <AK/Types.h>
 
 #define ENUMERATE_KEY_CODES                                    \
@@ -166,6 +167,12 @@ enum KeyModifier {
     Mod_Mask = Mod_Alt | Mod_Ctrl | Mod_Shift | Mod_Super | Mod_AltGr | Mod_Keypad,
 
     Is_Press = 0x80,
+
+#if defined(AK_OS_MACOS)
+    Mod_PlatformCtrl = Mod_Super,
+#else
+    Mod_PlatformCtrl = Mod_Ctrl,
+#endif
 };
 
 AK_ENUM_BITWISE_OPERATORS(KeyModifier);
diff --git a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.h b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.h
index a4b9ec9b973..ec969f3f43a 100644
--- a/Userland/Libraries/LibWeb/UIEvents/MouseEvent.h
+++ b/Userland/Libraries/LibWeb/UIEvents/MouseEvent.h
@@ -56,6 +56,15 @@ public:
     bool alt_key() const { return m_alt_key; }
     bool meta_key() const { return m_meta_key; }
 
+    bool platform_ctrl_key() const
+    {
+#if defined(AK_OS_MACOS)
+        return meta_key();
+#else
+        return ctrl_key();
+#endif
+    }
+
     double movement_x() const { return m_movement_x; }
     double movement_y() const { return m_movement_y; }