diff --git a/Applications/Browser/Tab.cpp b/Applications/Browser/Tab.cpp
index 16235b54ef5..38e8059a615 100644
--- a/Applications/Browser/Tab.cpp
+++ b/Applications/Browser/Tab.cpp
@@ -157,7 +157,7 @@ Tab::Tab(Type type)
     m_link_context_menu->add_separator();
     m_link_context_menu->add_action(GUI::Action::create("Download", [this](auto&) {
         auto window = GUI::Window::construct();
-        window->set_rect(300, 300, 300, 150);
+        window->resize(300, 150);
         auto url = m_link_context_menu_url;
         window->set_title(String::format("0%% of %s", url.basename().characters()));
         window->set_resizable(false);
@@ -262,7 +262,7 @@ Tab::Tab(Type type)
                 editor.set_text(source);
                 editor.set_mode(GUI::TextEditor::ReadOnly);
                 editor.set_ruler_visible(true);
-                window->set_rect(150, 150, 640, 480);
+                window->resize(640, 480);
                 window->set_title(url);
                 window->show();
                 (void)window.leak_ref();
@@ -277,7 +277,7 @@ Tab::Tab(Type type)
             if (m_type == Type::InProcessWebView) {
                 if (!m_dom_inspector_window) {
                     m_dom_inspector_window = GUI::Window::construct();
-                    m_dom_inspector_window->set_rect(100, 100, 300, 500);
+                    m_dom_inspector_window->resize(300, 500);
                     m_dom_inspector_window->set_title("DOM inspector");
                     m_dom_inspector_window->set_main_widget<InspectorWidget>();
                 }
@@ -300,7 +300,7 @@ Tab::Tab(Type type)
             if (m_type == Type::InProcessWebView) {
                 if (!m_console_window) {
                     m_console_window = GUI::Window::construct();
-                    m_console_window->set_rect(100, 100, 500, 300);
+                    m_console_window->resize(500, 300);
                     m_console_window->set_title("JS Console");
                     m_console_window->set_main_widget<ConsoleWidget>();
                 }
diff --git a/Applications/Terminal/main.cpp b/Applications/Terminal/main.cpp
index 696e4e3cf9b..73e3da7e1ac 100644
--- a/Applications/Terminal/main.cpp
+++ b/Applications/Terminal/main.cpp
@@ -139,7 +139,7 @@ static RefPtr<GUI::Window> create_settings_window(TerminalWidget& terminal)
     auto window = GUI::Window::construct();
     window->set_title("Terminal Settings");
     window->set_resizable(false);
-    window->set_rect(50, 50, 200, 185);
+    window->resize(200, 185);
     window->set_modal(true);
 
     auto& settings = window->set_main_widget<GUI::Widget>();
diff --git a/Demos/Cube/Cube.cpp b/Demos/Cube/Cube.cpp
index 8731f6c9481..50f9c357aec 100644
--- a/Demos/Cube/Cube.cpp
+++ b/Demos/Cube/Cube.cpp
@@ -196,7 +196,7 @@ int main(int argc, char** argv)
     window->set_double_buffering_enabled(true);
     window->set_title("Cube");
     window->set_resizable(false);
-    window->set_rect(100, 100, WIDTH, HEIGHT);
+    window->resize(WIDTH, HEIGHT);
 
     auto& cube = window->set_main_widget<Cube>();
 
diff --git a/Demos/Eyes/main.cpp b/Demos/Eyes/main.cpp
index 80f16e403c0..6cefd4cd62a 100644
--- a/Demos/Eyes/main.cpp
+++ b/Demos/Eyes/main.cpp
@@ -81,7 +81,7 @@ int main(int argc, char* argv[])
     auto window = GUI::Window::construct();
     window->set_title("Eyes");
     window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-eyes.png"));
-    window->set_rect(350, 270, 75 * (full_rows > 0 ? max_in_row : extra_columns), 100 * (full_rows + (extra_columns > 0 ? 1 : 0)));
+    window->resize(75 * (full_rows > 0 ? max_in_row : extra_columns), 100 * (full_rows + (extra_columns > 0 ? 1 : 0)));
     window->set_has_alpha_channel(true);
 
     auto& eyes = window->set_main_widget<EyesWidget>(num_eyes, full_rows, extra_columns);
diff --git a/Demos/Fire/Fire.cpp b/Demos/Fire/Fire.cpp
index 35249e5adf2..51556d3d13b 100644
--- a/Demos/Fire/Fire.cpp
+++ b/Demos/Fire/Fire.cpp
@@ -228,7 +228,7 @@ int main(int argc, char** argv)
     window->set_double_buffering_enabled(false);
     window->set_title("Fire");
     window->set_resizable(false);
-    window->set_rect(100, 100, 640, 400);
+    window->resize(640, 400);
 
     auto& fire = window->set_main_widget<Fire>();
 
diff --git a/Demos/HelloWorld/main.cpp b/Demos/HelloWorld/main.cpp
index aea01a2d415..a5510e7ac6f 100644
--- a/Demos/HelloWorld/main.cpp
+++ b/Demos/HelloWorld/main.cpp
@@ -36,7 +36,7 @@ int main(int argc, char** argv)
     auto app = GUI::Application::construct(argc, argv);
 
     auto window = GUI::Window::construct();
-    window->set_rect(100, 100, 240, 160);
+    window->resize(240, 160);
     window->set_title("Hello World!");
 
     auto& main_widget = window->set_main_widget<GUI::Widget>();
diff --git a/Demos/LibGfxDemo/main.cpp b/Demos/LibGfxDemo/main.cpp
index 65e9bb3ddc2..1e0e993fa81 100644
--- a/Demos/LibGfxDemo/main.cpp
+++ b/Demos/LibGfxDemo/main.cpp
@@ -202,7 +202,7 @@ int main(int argc, char** argv)
     window->set_double_buffering_enabled(true);
     window->set_title("LibGfx Demo");
     window->set_resizable(false);
-    window->set_rect(100, 100, WIDTH, HEIGHT);
+    window->resize(WIDTH, HEIGHT);
     window->set_main_widget<Canvas>();
     window->show();
 
diff --git a/Demos/WebView/main.cpp b/Demos/WebView/main.cpp
index d3c8d7e24ab..d33e8a272ae 100644
--- a/Demos/WebView/main.cpp
+++ b/Demos/WebView/main.cpp
@@ -42,7 +42,7 @@ int main(int argc, char** argv)
     auto& view = main_widget.add<WebContentView>();
     auto& statusbar = main_widget.add<GUI::StatusBar>();
     window->set_title("WebView");
-    window->set_rect(100, 100, 640, 480);
+    window->resize(640, 480);
     window->show();
 
     view.on_title_change = [&](auto& title) {
diff --git a/Demos/WidgetGallery/main.cpp b/Demos/WidgetGallery/main.cpp
index a8fc74dc98d..9fad2e76799 100644
--- a/Demos/WidgetGallery/main.cpp
+++ b/Demos/WidgetGallery/main.cpp
@@ -90,7 +90,7 @@ int main(int argc, char** argv)
     auto app_icon = GUI::Icon::default_icon("app-widget-gallery");
 
     auto window = GUI::Window::construct();
-    window->set_rect(100, 100, 430, 480);
+    window->resize(430, 480);
     window->set_title("Widget Gallery");
     window->set_icon(app_icon.bitmap_for_size(16));
 
diff --git a/DevTools/HackStudio/main.cpp b/DevTools/HackStudio/main.cpp
index 9dc9c79e6a4..515b2e7a9bc 100644
--- a/DevTools/HackStudio/main.cpp
+++ b/DevTools/HackStudio/main.cpp
@@ -186,7 +186,7 @@ int main(int argc, char** argv)
     Function<void()> update_actions;
 
     g_window = GUI::Window::construct();
-    g_window->set_rect(90, 90, 840, 600);
+    g_window->resize(840, 600);
     g_window->set_title("HackStudio");
 
     auto& widget = g_window->set_main_widget<GUI::Widget>();
diff --git a/DevTools/Inspector/main.cpp b/DevTools/Inspector/main.cpp
index ccf94f8f28b..b69576aeeea 100644
--- a/DevTools/Inspector/main.cpp
+++ b/DevTools/Inspector/main.cpp
@@ -94,7 +94,7 @@ int main(int argc, char** argv)
 
     auto window = GUI::Window::construct();
     window->set_title("Inspector");
-    window->set_rect(150, 150, 685, 500);
+    window->resize(685, 500);
     window->set_icon(app_icon.bitmap_for_size(16));
 
     auto menubar = GUI::MenuBar::construct();
diff --git a/DevTools/Profiler/main.cpp b/DevTools/Profiler/main.cpp
index d709ce6af37..8412843f207 100644
--- a/DevTools/Profiler/main.cpp
+++ b/DevTools/Profiler/main.cpp
@@ -80,8 +80,8 @@ int main(int argc, char** argv)
 
     auto window = GUI::Window::construct();
     window->set_title("Profiler");
-    window->set_rect(100, 100, 800, 600);
     window->set_icon(app_icon.bitmap_for_size(16));
+    window->resize(800, 600);
 
     auto& main_widget = window->set_main_widget<GUI::Widget>();
     main_widget.set_fill_with_background_color(true);
@@ -136,8 +136,8 @@ static bool prompt_to_stop_profiling()
 {
     auto window = GUI::Window::construct();
     window->set_title("Profiling");
-    window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-profiler.png"));
     window->resize(320, 200);
+    window->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-profiler.png"));
     window->center_on_screen();
     auto& widget = window->set_main_widget<GUI::Widget>();
     widget.set_fill_with_background_color(true);
diff --git a/Games/2048/main.cpp b/Games/2048/main.cpp
index 6e4c9a52ba6..628270ce282 100644
--- a/Games/2048/main.cpp
+++ b/Games/2048/main.cpp
@@ -63,7 +63,7 @@ int main(int argc, char** argv)
 
     window->set_double_buffering_enabled(false);
     window->set_title("2048");
-    window->set_rect(100, 100, 324, 336);
+    window->resize(324, 336);
 
     auto& game = window->set_main_widget<TwentyFortyEightGame>();
     game.set_fill_with_background_color(true);
diff --git a/Games/Minesweeper/main.cpp b/Games/Minesweeper/main.cpp
index 0562bbf2c3f..0f6029376a9 100644
--- a/Games/Minesweeper/main.cpp
+++ b/Games/Minesweeper/main.cpp
@@ -55,7 +55,7 @@ int main(int argc, char** argv)
     auto window = GUI::Window::construct();
     window->set_resizable(false);
     window->set_title("Minesweeper");
-    window->set_rect(100, 100, 139, 175);
+    window->resize(139, 175);
 
     auto& widget = window->set_main_widget<GUI::Widget>();
     widget.set_layout<GUI::VerticalBoxLayout>();
diff --git a/Games/Snake/main.cpp b/Games/Snake/main.cpp
index 6abc482e666..31c6fcf94ae 100644
--- a/Games/Snake/main.cpp
+++ b/Games/Snake/main.cpp
@@ -53,7 +53,7 @@ int main(int argc, char** argv)
 
     window->set_double_buffering_enabled(false);
     window->set_title("Snake");
-    window->set_rect(100, 100, 320, 320);
+    window->resize(320, 320);
 
     auto& game = window->set_main_widget<SnakeGame>();
 
diff --git a/Games/Solitaire/main.cpp b/Games/Solitaire/main.cpp
index 99a316ef94f..8a5ac75a822 100644
--- a/Games/Solitaire/main.cpp
+++ b/Games/Solitaire/main.cpp
@@ -45,7 +45,7 @@ int main(int argc, char** argv)
     auto window = GUI::Window::construct();
 
     window->set_resizable(false);
-    window->set_rect(300, 100, SolitaireWidget::width, SolitaireWidget::height);
+    window->resize(SolitaireWidget::width, SolitaireWidget::height);
 
     auto widget = SolitaireWidget::construct(window, [&](uint32_t score) {
         window->set_title(String::format("Score: %u - Solitaire", score));
diff --git a/Userland/test-web.cpp b/Userland/test-web.cpp
index d1db25b2dd4..e8082483ca8 100644
--- a/Userland/test-web.cpp
+++ b/Userland/test-web.cpp
@@ -649,7 +649,7 @@ int main(int argc, char** argv)
 
     if (show_window) {
         window->set_title("LibWeb Test Window");
-        window->set_rect(100, 100, 640, 480);
+        window->resize(640, 480);
         window->show();
     }