diff --git a/builtin/client/misc.lua b/builtin/client/misc.lua
index 80e0f2904..db982839e 100644
--- a/builtin/client/misc.lua
+++ b/builtin/client/misc.lua
@@ -5,3 +5,27 @@ function core.setting_get_pos(name)
 	end
 	return core.string_to_pos(value)
 end
+
+local function register_toggle_cmd(name, cmd, setting, no_priv)
+	core.register_chatcommand(cmd, {
+		description = "Toggles " .. name,
+		func = function()
+			if core.settings:get_bool(setting) then
+				core.settings:set_bool(setting, false)
+				return true, core.gettext(name .. " disabled")
+			end
+
+			core.settings:set_bool(setting, true)
+			local msg = name .. " enabled"
+			if not no_priv and not core.get_privilege_list()[cmd] then
+				msg = ("%s (note: no '%s' privilege)"):format(msg, cmd)
+			end
+			return true, core.gettext(msg)
+		end,
+	})
+end
+
+register_toggle_cmd("Fast mode", "fast", "fast_move")
+register_toggle_cmd("Fly mode", "fly", "free_move")
+register_toggle_cmd("Noclip mode", "noclip", "noclip")
+register_toggle_cmd("Pitch move mode", "pitch", "pitch_move", true)