diff --git a/compile_flags.txt b/compile_flags.txt
new file mode 100644
index 0000000..41a4987
--- /dev/null
+++ b/compile_flags.txt
@@ -0,0 +1,24 @@
+-I/usr/include/gtk-4.0
+-I/usr/include/pango-1.0
+-I/usr/include/glib-2.0
+-I/usr/lib/glib-2.0/include
+-I/usr/include/sysprof-4
+-I/usr/include/harfbuzz
+-I/usr/include/freetype2
+-I/usr/include/libpng16
+-I/usr/include/libmount
+-I/usr/include/blkid
+-I/usr/include/fribidi
+-I/usr/include/cairo
+-I/usr/include/lzo
+-I/usr/include/pixman-1
+-I/usr/include/gdk-pixbuf-2.0
+-I/usr/include/graphene-1.0
+-I/usr/lib/graphene-1.0/include
+-I/usr/include/gio-unix-2.0
+-I/usr/include/webkitgtk-5.0
+-mfpmath=sse
+-msse
+-msse2
+-I/usr/include/libsoup-3.0
+-pthread
diff --git a/keyconf.h b/keyconf.h
index cd4a7c3..13f3ae1 100644
--- a/keyconf.h
+++ b/keyconf.h
@@ -4,10 +4,10 @@
 #include <gdk/gdkkeysyms.h>
 #include <stdbool.h>
 
-#define CTRLKEY
-#define MODKEY GDK_CONTROL_MASK
-#define MODSFT   5
-#define NOMODK   0
+#define ALTKEY     GDK_ALT_MASK
+#define MODKEY     GDK_CONTROL_MASK
+#define MODSFT     5
+#define NOMODK     0
 
 #define CACHE      0
 #define HOMEPAGE   1
@@ -45,5 +45,7 @@ enum {
 	reloadforce,
 	history,
 	gotop,
-	gobottom
+	gobottom,
+	tabnext,
+	tabprev
 };
diff --git a/makefile b/makefile
index 4f832d0..20942f0 100644
--- a/makefile
+++ b/makefile
@@ -26,7 +26,7 @@ rose:
 	strip ./rose
 
 debug:
-	$(CC) -fPIC -o rose *.c $(CFLAGS) $(LIBS) -Wall -Wextra
+	$(CC) -fPIC -o rose *.c $(CFLAGS) $(LIBS) -Wall -Wextra -fsanitize=address -DG_DISABLE_CAST_CHECKS
 
 config.h:
 	[ -f "$@" ] || cp config.def.h $@
diff --git a/window.c b/window.c
index 6e608be..442598d 100644
--- a/window.c
+++ b/window.c
@@ -5,10 +5,14 @@
 struct _RoseWindow {
 	GtkApplicationWindow parent_instance;
 	guint xid;
+
 	GtkWindow *window;
-	WebKitWebView *webview;
+	GtkApplication *app;
+
+	WebKitWebView *webview[9];
 	WebKitWebInspector *inspector;
 	WebKitFindOptions *findopts;
+
 	GHashTable *action_groups;
 	GHashTable *action_labels;
 };
@@ -18,6 +22,7 @@ enum {
 };
 
 static float zoom = 1.0;
+static unsigned tabid = 0;
 
 G_DEFINE_TYPE(RoseWindow, rose_window, GTK_TYPE_APPLICATION_WINDOW)
 
@@ -32,6 +37,54 @@ static void read_clipboard(GObject *object,
 	);
 }
 
+static void new_tab(RoseWindow *window, unsigned id)
+{
+	window->webview[id] = WEBKIT_WEB_VIEW(webkit_web_view_new());
+
+	if (!options[HOMEPAGE])
+		options[HOMEPAGE] = "https://duckduckgo.com";
+
+	webkit_web_view_load_uri(WEBKIT_WEB_VIEW(window->webview[id]),
+													 options[HOMEPAGE]);
+
+	/* gtk_widget_hide(GTK_WIDGET(window->webview[id])); */
+
+	gtk_window_set_child(
+		GTK_WINDOW(
+			gtk_widget_get_root(
+				GTK_WIDGET(
+					window->webview[tabid++]
+					)
+				)
+			),
+		GTK_WIDGET(window->webview[id])
+	);
+
+	gtk_widget_show(GTK_WIDGET(window->webview[tabid]));
+}
+
+static void goto_tab(RoseWindow *window, unsigned id)
+{
+	if (!window->webview[id]) {
+		new_tab(window, id);
+		return;
+	}
+
+	gtk_window_set_child(
+		GTK_WINDOW(
+			gtk_widget_get_root(
+				GTK_WIDGET(
+					window->webview[tabid]
+					)
+				)
+			),
+		GTK_WIDGET(window->webview[id])
+	);
+
+	/* gtk_widget_hide(GTK_WIDGET(window->webview[tabid])); */
+	gtk_widget_show(GTK_WIDGET(window->webview[id]));
+}
+
 static gboolean key_press_callback(RoseWindow *window,
                                    guint keyval,
                                    guint keycode,
@@ -44,32 +97,32 @@ static gboolean key_press_callback(RoseWindow *window,
 				&& keys[i].keycod == keyval) {
 			switch (keys[i].funcid) {
 				case goback:
-					webkit_web_view_go_back(window->webview);
+					webkit_web_view_go_back(window->webview[tabid]);
 					break;
 
 				case goforward:
-					webkit_web_view_go_forward(window->webview);
+					webkit_web_view_go_forward(window->webview[tabid]);
 					break;
 
 				case copy_url: {
 					GdkDisplay *dpy = gdk_display_get_default();
 					gdk_clipboard_set_text(
 							gdk_display_get_clipboard(dpy),
-							webkit_web_view_get_uri(window->webview)
+							webkit_web_view_get_uri(window->webview[tabid])
 					);
 				} break;
 
 				case paste_url: {
 					GdkDisplay *dpy = gdk_display_get_default();
 					GdkClipboard *clipboard = gdk_display_get_clipboard(dpy);
-					gdk_clipboard_read_text_async(clipboard, NULL, read_clipboard, window->webview);
+					gdk_clipboard_read_text_async(clipboard, NULL, read_clipboard, window->webview[tabid]);
 				} break;
 
 				case fullscreen:
-					if (gtk_window_is_fullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview)))))
-						gtk_window_unfullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview))));
+					if (gtk_window_is_fullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview[tabid])))))
+						gtk_window_unfullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview[tabid]))));
 					else
-						gtk_window_fullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview))));
+						gtk_window_fullscreen(GTK_WINDOW(gtk_widget_get_root(GTK_WIDGET(window->webview[tabid]))));
 					break;
 
 				case search: {
@@ -86,7 +139,7 @@ static gboolean key_press_callback(RoseWindow *window,
 						wait(&id);
 						char *uri;
 						if (strcmp((uri = (char*)getatom(AtomGo)), ""))
-							rose_webview_load_url(window->webview, uri);
+							rose_webview_load_url(window->webview[tabid], uri);
 					}
 				} break;
 
@@ -102,7 +155,7 @@ static gboolean key_press_callback(RoseWindow *window,
 						exit(1);
 					} else {
 						wait(&id);
-						WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview);
+						WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview[tabid]);
 						webkit_find_controller_search(
 							finder,
 							getatom(AtomFind),
@@ -112,32 +165,32 @@ static gboolean key_press_callback(RoseWindow *window,
 				} break;
 
 				case findnext: {
-					WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview);
+					WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview[tabid]);
 					webkit_find_controller_search_next(finder);
 				} break;
 
 				case findprev: {
-					WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview);
+					WebKitFindController *finder = webkit_web_view_get_find_controller(window->webview[tabid]);
 					webkit_find_controller_search_previous(finder);
 				} break;
 
 				case zoomin:
 					zoom += 0.1;
-					webkit_web_view_set_zoom_level(window->webview, zoom);
+					webkit_web_view_set_zoom_level(window->webview[tabid], zoom);
 					break;
 
 				case zoomout:
 					zoom -= 0.1;
-					webkit_web_view_set_zoom_level(window->webview, zoom);
+					webkit_web_view_set_zoom_level(window->webview[tabid], zoom);
 					break;
 
 				case zoomreset:
 					zoom = 1;
-					webkit_web_view_set_zoom_level(window->webview, zoom);
+					webkit_web_view_set_zoom_level(window->webview[tabid], zoom);
 					break;
 
 				case inspector:
-					window->inspector = webkit_web_view_get_inspector(window->webview);
+					window->inspector = webkit_web_view_get_inspector(window->webview[tabid]);
 					if (webkit_web_inspector_is_attached(window->inspector))
 						webkit_web_inspector_close(window->inspector);
 					else
@@ -146,19 +199,19 @@ static gboolean key_press_callback(RoseWindow *window,
 					break;
 
 				case up:
-					webkit_web_view_run_javascript(window->webview, "window.scrollBy(0,-100);", NULL, NULL, NULL);
+					webkit_web_view_run_javascript(window->webview[tabid], "window.scrollBy(0,-100);", NULL, NULL, NULL);
 					break;
 
 				case down:
-					webkit_web_view_run_javascript(window->webview, "window.scrollBy(0,100);", NULL, NULL, NULL);
+					webkit_web_view_run_javascript(window->webview[tabid], "window.scrollBy(0,100);", NULL, NULL, NULL);
 					break;
 
 				case reload:
-					webkit_web_view_reload(window->webview);
+					webkit_web_view_reload(window->webview[tabid]);
 					break;
 
 				case reloadforce:
-					webkit_web_view_reload_bypass_cache(window->webview);
+					webkit_web_view_reload_bypass_cache(window->webview[tabid]);
 					break;
 
 				case history: {
@@ -173,20 +226,36 @@ static gboolean key_press_callback(RoseWindow *window,
 						wait(&id);
 						char *uri;
 						if (strcmp((uri = (char*)getatom(AtomGo)), ""))
-							rose_webview_load_url(window->webview, uri);
+							rose_webview_load_url(window->webview[tabid], uri);
 					}
 				} break;
 
 				case gotop: {
-					webkit_web_view_run_javascript(window->webview, "window.scrollTo(0,0);", NULL, NULL, NULL);
+					webkit_web_view_run_javascript(window->webview[tabid], "window.scrollTo(0,0);", NULL, NULL, NULL);
 				} break;
 
 				case gobottom: {
 					webkit_web_view_run_javascript(
-						window->webview,
+						window->webview[tabid],
 						"window.scrollTo(0, document.body.scrollHeight);",
 						NULL, NULL, NULL);
 				} break;
+
+				case tabnext: {
+					if (tabid + 1 > 9)
+						return GDK_EVENT_PROPAGATE;
+
+					goto_tab(window, tabid + 1);
+					printf("%i\n", tabid);
+				} break;
+
+				case tabprev: {
+					if (!tabid)
+						return GDK_EVENT_PROPAGATE;
+
+					goto_tab(window, tabid - 1);
+					printf("%i\n", tabid);
+				} break;
 			}
 		}
 	}
@@ -202,7 +271,7 @@ static void rose_window_constructed(GObject *object)
 
 static void rose_window_init(RoseWindow *window)
 {
-	window->window = GTK_WINDOW(gtk_window_new());
+	(void) window;
 }
 
 static void destroy()
@@ -212,26 +281,23 @@ static void destroy()
 
 guint rose_window_show(GtkApplication *app, RoseWindow *window, const char *url)
 {
-	GtkWidget *w = gtk_application_window_new(app);
+	window->app = app;
+	window->window = GTK_WINDOW(gtk_application_window_new(window->app));
 
-	gtk_application_set_menubar(app, FALSE);
-	GtkWidget *webview = rose_webview_new();
-	gtk_widget_set_has_tooltip(webview, FALSE);
-	gtk_widget_has_default(webview);
-	gtk_window_set_destroy_with_parent(GTK_WINDOW(w), TRUE);
-	window->webview = WEBKIT_WEB_VIEW(webview);
+	/* gtk_application_set_menubar(window->app, FALSE); */
+	window->webview[tabid] = WEBKIT_WEB_VIEW(rose_webview_new());
 
-	g_signal_connect(G_OBJECT(w), "destroy",
-	                 G_CALLBACK(destroy), NULL);
+	g_signal_connect(G_OBJECT(window->window), "destroy",
+									 G_CALLBACK(destroy), NULL);
 
-	g_signal_connect(G_OBJECT(window->webview), "web-process-terminated",
+	g_signal_connect(G_OBJECT(window->webview[tabid]), "web-process-terminated",
 			 G_CALLBACK(destroy), NULL);
 
-	g_signal_connect(G_OBJECT(window->webview), "load-changed",
-			 G_CALLBACK(rose_load_changed_callback), window);
+	g_signal_connect(G_OBJECT(window->webview[tabid]), "load-changed",
+			 G_CALLBACK(rose_load_changed_callback), window->webview[tabid]);
 
 	if (url) {
-		rose_webview_load_url(WEBKIT_WEB_VIEW(webview), url);
+		rose_webview_load_url(WEBKIT_WEB_VIEW(window->webview[tabid]), url);
 		setatom(AtomUri, url);
 	}
 
@@ -240,24 +306,24 @@ guint rose_window_show(GtkApplication *app, RoseWindow *window, const char *url)
 		appearance[HEIGHT] = 720;
 	}
 
-	gtk_window_set_default_size(GTK_WINDOW(w), appearance[WIDTH], appearance[HEIGHT]);
+	gtk_window_set_default_size(GTK_WINDOW(window->window), appearance[WIDTH], appearance[HEIGHT]);
 
-	gtk_window_set_child(GTK_WINDOW(w), GTK_WIDGET(webview));
+	gtk_window_set_child(GTK_WINDOW(window->window), GTK_WIDGET(window->webview[tabid]));
 
-	/* Keyboard shortcuts */
 	GtkEventController *controller;
 	controller = gtk_event_controller_key_new();
 	g_signal_connect_swapped(controller, "key-pressed", G_CALLBACK(key_press_callback), window);
-	gtk_widget_add_controller(GTK_WIDGET(w), controller);
+	gtk_widget_add_controller(GTK_WIDGET(window->window), controller);
 
-	gtk_widget_show(w);
+	gtk_widget_show(GTK_WIDGET(window->window));
+	gtk_widget_show(GTK_WIDGET(window->webview[tabid]));
 
-	return gdk_x11_surface_get_xid(gtk_native_get_surface(GTK_NATIVE(w)));
+	return 12;
 }
 
 void rose_window_set_webview(RoseWindow *window, GtkWidget *webview)
 {
-	window->webview = WEBKIT_WEB_VIEW(webview);
+	window->webview[tabid] = WEBKIT_WEB_VIEW(webview);
 }
 
 static void rose_window_class_init(RoseWindowClass *class)