diff --git a/Libraries/LibDevTools/Actors/WalkerActor.cpp b/Libraries/LibDevTools/Actors/WalkerActor.cpp
index 2fd245f076d..fbaf88d558c 100644
--- a/Libraries/LibDevTools/Actors/WalkerActor.cpp
+++ b/Libraries/LibDevTools/Actors/WalkerActor.cpp
@@ -73,6 +73,33 @@ void WalkerActor::handle_message(StringView type, JsonObject const& message)
         return;
     }
 
+    if (type == "duplicateNode"sv) {
+        auto node = message.get_string("node"sv);
+        if (!node.has_value()) {
+            send_missing_parameter_error("node"sv);
+            return;
+        }
+
+        if (auto dom_node = WalkerActor::dom_node_for(*this, *node); dom_node.has_value()) {
+            auto block_token = block_responses();
+
+            devtools().delegate().clone_dom_node(
+                dom_node->tab->description(), dom_node->identifier.id,
+                [weak_self = make_weak_ptr<WalkerActor>(), block_token = move(block_token)](ErrorOr<Web::UniqueNodeID> node_id) mutable {
+                    if (node_id.is_error()) {
+                        dbgln_if(DEVTOOLS_DEBUG, "Unable to edit DOM node: {}", node_id.error());
+                        return;
+                    }
+
+                    if (auto self = weak_self.strong_ref()) {
+                        JsonObject message;
+                        message.set("from"sv, self->name());
+                        self->send_message(move(message), move(block_token));
+                    }
+                });
+        }
+    }
+
     if (type == "editTagName"sv) {
         auto node = message.get_string("node"sv);
         if (!node.has_value()) {
diff --git a/Libraries/LibDevTools/DevToolsDelegate.h b/Libraries/LibDevTools/DevToolsDelegate.h
index 6c070227c79..234bb5dc958 100644
--- a/Libraries/LibDevTools/DevToolsDelegate.h
+++ b/Libraries/LibDevTools/DevToolsDelegate.h
@@ -47,6 +47,7 @@ public:
     virtual void add_dom_node_attributes(TabDescription const&, Web::UniqueNodeID, Vector<WebView::Attribute>, OnDOMNodeEditComplete) const { }
     virtual void replace_dom_node_attribute(TabDescription const&, Web::UniqueNodeID, String, Vector<WebView::Attribute>, OnDOMNodeEditComplete) const { }
     virtual void create_child_element(TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const { }
+    virtual void clone_dom_node(TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const { }
     virtual void remove_dom_node(TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const { }
 
     using OnScriptEvaluationComplete = Function<void(ErrorOr<JsonValue>)>;
diff --git a/Libraries/LibWebView/Application.cpp b/Libraries/LibWebView/Application.cpp
index 523bed44c6a..b316427720d 100644
--- a/Libraries/LibWebView/Application.cpp
+++ b/Libraries/LibWebView/Application.cpp
@@ -493,6 +493,13 @@ void Application::create_child_element(DevTools::TabDescription const& descripti
     });
 }
 
+void Application::clone_dom_node(DevTools::TabDescription const& description, Web::UniqueNodeID node_id, OnDOMNodeEditComplete on_complete) const
+{
+    edit_dom_node(description, move(on_complete), [&](auto& view) {
+        view.clone_dom_node(node_id);
+    });
+}
+
 void Application::remove_dom_node(DevTools::TabDescription const& description, Web::UniqueNodeID node_id, OnDOMNodeEditComplete on_complete) const
 {
     edit_dom_node(description, move(on_complete), [&](auto& view) {
diff --git a/Libraries/LibWebView/Application.h b/Libraries/LibWebView/Application.h
index 71a2136c682..cad739cad7a 100644
--- a/Libraries/LibWebView/Application.h
+++ b/Libraries/LibWebView/Application.h
@@ -103,6 +103,7 @@ private:
     virtual void add_dom_node_attributes(DevTools::TabDescription const&, Web::UniqueNodeID, Vector<Attribute>, OnDOMNodeEditComplete) const override;
     virtual void replace_dom_node_attribute(DevTools::TabDescription const&, Web::UniqueNodeID, String, Vector<Attribute>, OnDOMNodeEditComplete) const override;
     virtual void create_child_element(DevTools::TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const override;
+    virtual void clone_dom_node(DevTools::TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const override;
     virtual void remove_dom_node(DevTools::TabDescription const&, Web::UniqueNodeID, OnDOMNodeEditComplete) const override;
     virtual void evaluate_javascript(DevTools::TabDescription const&, String, OnScriptEvaluationComplete) const override;
     virtual void listen_for_console_messages(DevTools::TabDescription const&, OnConsoleMessageAvailable, OnReceivedConsoleMessages) const override;