Simple Gain / Boost Volume on any website (Youtube, Vimeo, Twitch etc) video by only one click of bookmark button. Copy code below, then create new bookmark, and fill code below to location address.

gain

javascript:var g_6z; function cI_6z(){ var ctx_6z = new AudioContext(); var el_6z = document.querySelector("video") ? document.querySelector("video") : document.querySelector("audio")? document.querySelector("audio"):alert('Media DOM not exist. Aborting.'); if (el_6z){ g_6z = ctx_6z.createGain(); g_6z.gain.value = 1; var src_6z = ctx_6z.createMediaElementSource(el_6z); src_6z.connect(g_6z).connect(ctx_6z.destination); var p = document.createElement("div"); p.innerHTML = `<div class=vpc_6z id=vpc_6z><style>.vpc_6z{float:right;width:25%;position:fixed;bottom:0;padding:20px 20px;z-index:9999999;background:#444;color:#fff}.vpc_6z-hide{position:fixed;background:#444;padding:0;width:80px;height:30px;bottom:0;z-index:999999}.vpi_6z-hide{display:none}</style><button%20onclick='d=document.getElementById("vpi_6z"),"vpi_6z"==d.getAttribute("class")?d.setAttribute("class","vpi_6z-hide"):d.setAttribute("class","vpi_6z"),c=document.getElementById("vpc_6z"),"vpc_6z"==c.getAttribute("class")?c.setAttribute("class","vpc_6z-hide"):c.setAttribute("class","vpc_6z")'style=float:right;cursor:pointer;width:80px;height:30px>Toggle%20VP</button><div%20class=vpi_6z%20id=vpi_6z><button%20onclick='document.getElementById("vpc_6z").remove()'>Destroy%20Panel</button><h1>Volume%20Gain:%20<span%20id=volumeControl_e></span></h1><input%20max=100%20min=1%20onchange='v=this.value,cG_6z(v),document.getElementById("volumeControl_e").innerHTML=1*v+100,console.log(v)'style=width:100%%20type=range%20value=1></div></div>`;%20document.body.appendChild(p);%20}%20};%20function%20cG_6z(v){%20g_6z.gain.value%20=%20v;%20};%20cI_6z(1);

i turned the gain up too 200 percent and blew out my headphones but thanks for this its awsome :)

also for anyone wanting to know on youtube gain on 106 percent is the max before the bass is so loud you can't hear anything else

It won't work when I use it.

It didn't work . there are some strange chars. use this