diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 89ec5636ab73..673ca9a4891d 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -1519,6 +1519,8 @@ void Viewport::_gui_show_tooltip() {
 	panel->set_flag(Window::FLAG_NO_FOCUS, true);
 	panel->set_flag(Window::FLAG_POPUP, false);
 	panel->set_flag(Window::FLAG_MOUSE_PASSTHROUGH, true);
+	panel->set_flag(Window::FLAG_TRANSPARENT, true);
+	// A non-embedded tooltip window will only be transparent if per_pixel_transparency is allowed in the main Viewport.
 	panel->set_wrap_controls(true);
 	panel->add_child(base_tooltip);
 	panel->gui_parent = this;
@@ -1527,17 +1529,22 @@ void Viewport::_gui_show_tooltip() {
 
 	tooltip_owner->add_child(gui.tooltip_popup);
 
+	Window *window = gui.tooltip_popup->get_parent_visible_window();
+	float win_scale = window->content_scale_factor;
 	Point2 tooltip_offset = GLOBAL_GET("display/mouse_cursor/tooltip_position_offset");
+	if (!gui.tooltip_popup->is_embedded()) {
+		tooltip_offset = tooltip_offset * win_scale;
+	}
 	Rect2 r(gui.tooltip_pos + tooltip_offset, gui.tooltip_popup->get_contents_minimum_size());
-	r.size = r.size.min(panel->get_max_size());
-
-	Window *window = gui.tooltip_popup->get_parent_visible_window();
 	Rect2i vr;
 	if (gui.tooltip_popup->is_embedded()) {
 		vr = gui.tooltip_popup->get_embedder()->get_visible_rect();
 	} else {
+		panel->content_scale_factor = win_scale;
+		r.size = r.size * win_scale;
 		vr = window->get_usable_parent_rect();
 	}
+	r.size = r.size.min(panel->get_max_size());
 
 	if (r.size.x + r.position.x > vr.size.x + vr.position.x) {
 		// Place it in the opposite direction. If it fails, just hug the border.