javascript:(function () {document.title=prompt('Tab Cloak\n\nEnter new Tab Title:');var icon=document.querySelector ('link[rel="icon"]');switch(prompt('Choose new tab icon:\n\n[1] Google Search\n[2] Google Drive\n[3] Custom URL')) {case'1':icon.setAttribute('href','https://www.google.com/favicon.ico');break;case'2':icon.setAttribute ('href','https://ssl.gstatic.com/images/branding/product/2x/hh_drive_96dp.png');break;case'3':icon.setAttribute ('href',prompt('Enter Custom Tab Icon URL:'))}})()
Note: This is patched in newer versions of browsers
javascript:(function () {var a = document.createElement('script');a.src = 'https://cdn.jsdelivr.net/gh/FogNetwork/Ingot/ingot.min.js';document.body.appendChild(a);}())
Go to this URL, right click, press save page as, save it, and open it. https://raw.githubusercontent.com/Eaglercraft-Archive/Eaglercraft-PBR-shaders/main/Stable-Offline-Downloads/EaglercraftX_Shaders_1.8_Offline_International.html
javascript:(function () {if (window.location.toString().includes('www.youtube.com/watch?v%27))%20{%20 window.open(%27https://www.youtube-nocookie.com/embed/%27%20+%20window.location.toString().split(%27=%27)[1])%20}})()
javascript:(function () {window.onbeforeunload = function() { return 1; };})()