diff --git a/Userland/Applications/FontEditor/MainWidget.cpp b/Userland/Applications/FontEditor/MainWidget.cpp
index 91a9e90c9b..8ef5fa430c 100644
--- a/Userland/Applications/FontEditor/MainWidget.cpp
+++ b/Userland/Applications/FontEditor/MainWidget.cpp
@@ -794,6 +794,11 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     scale_menu->add_action(*m_scale_ten_action);
     scale_menu->add_action(*m_scale_fifteen_action);
 
+    view_menu->add_separator();
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window.set_fullscreen(!window.is_fullscreen());
+    }));
+
     auto help_menu = window.add_menu("&Help"_string);
     help_menu->add_action(GUI::CommonActions::make_command_palette_action(&window));
     help_menu->add_action(GUI::CommonActions::make_help_action([](auto&) {
diff --git a/Userland/Applications/Help/MainWidget.cpp b/Userland/Applications/Help/MainWidget.cpp
index 0a26a5373b..11db33708f 100644
--- a/Userland/Applications/Help/MainWidget.cpp
+++ b/Userland/Applications/Help/MainWidget.cpp
@@ -210,6 +210,11 @@ ErrorOr<void> MainWidget::initialize_fallibles(GUI::Window& window)
         GUI::Application::the()->quit();
     }));
 
+    auto view_menu = window.add_menu("&View"_string);
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window.set_fullscreen(!window.is_fullscreen());
+    }));
+
     auto go_menu = window.add_menu("&Go"_string);
     go_menu->add_action(*m_go_back_action);
     go_menu->add_action(*m_go_forward_action);
diff --git a/Userland/Applications/HexEditor/HexEditorWidget.cpp b/Userland/Applications/HexEditor/HexEditorWidget.cpp
index 1e24d4a946..5e80b94e4f 100644
--- a/Userland/Applications/HexEditor/HexEditorWidget.cpp
+++ b/Userland/Applications/HexEditor/HexEditorWidget.cpp
@@ -555,6 +555,11 @@ ErrorOr<void> HexEditorWidget::initialize_menubar(GUI::Window& window)
     little_endian_mode->set_checked(use_little_endian);
     big_endian_mode->set_checked(!use_little_endian);
 
+    view_menu->add_separator();
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window.set_fullscreen(!window.is_fullscreen());
+    }));
+
     auto help_menu = window.add_menu("&Help"_string);
     help_menu->add_action(GUI::CommonActions::make_command_palette_action(&window));
     help_menu->add_action(GUI::CommonActions::make_help_action([](auto&) {
diff --git a/Userland/Applications/KeyboardMapper/main.cpp b/Userland/Applications/KeyboardMapper/main.cpp
index 6941265a17..48bb39b351 100644
--- a/Userland/Applications/KeyboardMapper/main.cpp
+++ b/Userland/Applications/KeyboardMapper/main.cpp
@@ -94,6 +94,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto settings_menu = window->add_menu("&Settings"_string);
     settings_menu->add_action(auto_modifier_action);
 
+    auto view_menu = window->add_menu("&View"_string);
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window->set_fullscreen(!window->is_fullscreen());
+    }));
+
     auto help_menu = window->add_menu("&Help"_string);
     help_menu->add_action(GUI::CommonActions::make_command_palette_action(window));
     help_menu->add_action(GUI::CommonActions::make_about_action("Keyboard Mapper"_string, app_icon, window));
diff --git a/Userland/Applications/ThemeEditor/MainWidget.cpp b/Userland/Applications/ThemeEditor/MainWidget.cpp
index ea40d5ad93..067f2fc612 100644
--- a/Userland/Applications/ThemeEditor/MainWidget.cpp
+++ b/Userland/Applications/ThemeEditor/MainWidget.cpp
@@ -305,6 +305,11 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             GUI::Application::the()->quit();
     }));
 
+    auto view_menu = window.add_menu("&View"_string);
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window.set_fullscreen(!window.is_fullscreen());
+    }));
+
     window.add_menu(GUI::CommonMenus::make_accessibility_menu(*m_preview_widget));
 
     auto help_menu = window.add_menu("&Help"_string);
diff --git a/Userland/DevTools/GMLPlayground/MainWidget.cpp b/Userland/DevTools/GMLPlayground/MainWidget.cpp
index 19fb338ff0..4cac7e66bb 100644
--- a/Userland/DevTools/GMLPlayground/MainWidget.cpp
+++ b/Userland/DevTools/GMLPlayground/MainWidget.cpp
@@ -267,6 +267,10 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     });
     view_menu->add_action(*m_view_window_action);
     m_views_group.add_action(*m_view_window_action);
+    view_menu->add_separator();
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window.set_fullscreen(!window.is_fullscreen());
+    }));
 
     m_preview_window->on_close = [&] {
         m_view_frame_action->activate();