// ==UserScript== // @name autoPage // @description page zoom // @include * // @exclude // ==/UserScript== autoPage(); function autoPage(){ var zoomLevel=150; //default zoom level, 150 means zoom level is %150. zoom(zoomLevel); } function zoom(level) { var i = parseInt(document.body.style.zoom); if (isNaN(i)) i=100; newZoom= i * level / 100; document.body.style.zoom=newZoom+'%'; }