diff --git a/Base/res/icons/16x16/error.png b/Base/res/icons/16x16/error.png
new file mode 100644
index 00000000000..10972624a37
Binary files /dev/null and b/Base/res/icons/16x16/error.png differ
diff --git a/UI/Qt/BrowserWindow.cpp b/UI/Qt/BrowserWindow.cpp
index 9b5207011e0..111acc671b0 100644
--- a/UI/Qt/BrowserWindow.cpp
+++ b/UI/Qt/BrowserWindow.cpp
@@ -3,7 +3,7 @@
  * Copyright (c) 2022, Matthew Costa <ucosty@gmail.com>
  * Copyright (c) 2022, Filiph Sandström <filiph.sandstrom@filfatstudios.com>
  * Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
- * Copyright (c) 2024, Sam Atkins <sam@ladybird.org>
+ * Copyright (c) 2024-2025, Sam Atkins <sam@ladybird.org>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -431,6 +431,13 @@ BrowserWindow::BrowserWindow(Vector<URL::URL> const& initial_urls, IsPopupWindow
         debug_request("dump-all-resolved-styles");
     });
 
+    auto* dump_css_errors_action = new QAction("Dump CSS &Errors", this);
+    dump_css_errors_action->setIcon(load_icon_from_uri("resource://icons/16x16/error.png"sv));
+    debug_menu->addAction(dump_css_errors_action);
+    QObject::connect(dump_css_errors_action, &QAction::triggered, this, [this] {
+        debug_request("dump-all-css-errors");
+    });
+
     auto* dump_cookies_action = new QAction("Dump C&ookies", this);
     dump_cookies_action->setIcon(load_icon_from_uri("resource://icons/browser/cookie.png"sv));
     debug_menu->addAction(dump_cookies_action);
diff --git a/UI/cmake/ResourceFiles.cmake b/UI/cmake/ResourceFiles.cmake
index d67304b4e0c..21330af60a3 100644
--- a/UI/cmake/ResourceFiles.cmake
+++ b/UI/cmake/ResourceFiles.cmake
@@ -12,6 +12,7 @@ set(16x16_ICONS
     close-tab.png
     download.png
     edit-copy.png
+    error.png
     filetype-css.png
     filetype-folder-open.png
     filetype-html.png