bunch of proxies of sadly been taken down but I added a new one for a test. (New Updates Aswell!)
Copy all the text below
javascript:if(document.body.contentEditable !== 'true') {
document.body.contentEditable = 'true'; document.designMode='on'; void 0
} else {
document.body.contentEditable = 'false'; document.designMode='off'; void 0
}