diff --git a/config.def.h b/config.def.h
index 061ad66..d702080 100644
--- a/config.def.h
+++ b/config.def.h
@@ -72,6 +72,7 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 	{ MODKEY,                       XK_Return, zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
+	{ MODKEY|ShiftMask,             XK_Tab,    toggleall,      {0} },
 	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
diff --git a/dwm.c b/dwm.c
index e5efb6a..f01009f 100644
--- a/dwm.c
+++ b/dwm.c
@@ -210,6 +210,7 @@ static void spawn(const Arg *arg);
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *m);
+static void toggleall(const Arg *arg);
 static void togglebar(const Arg *arg);
 static void togglefloating(const Arg *arg);
 static void toggletag(const Arg *arg);
@@ -1694,6 +1695,21 @@ tile(Monitor *m)
 		}
 }
 
+void
+toggleall(const Arg *arg)
+{
+	Monitor* m;
+	for(m = mons; m; m = m->next){
+		if ((arg->ui & TAGMASK) == m->tagset[m->seltags])
+			return;
+		m->seltags ^= 1; /* toggle sel tagset */
+		if (arg->ui & TAGMASK)
+			m->tagset[m->seltags] = arg->ui & TAGMASK;
+		focus(NULL);
+		arrange(m);
+	}
+}
+
 void
 togglebar(const Arg *arg)
 {