This script will disable WebGL on all sites (but with few site exceptions included to make online games work properly)
// ==UserScript==
// @name Disable WebGL on all pages (modified)
// @version 2025.10.08
// @description This script will disable WebGL on all sites (but with few site exceptions included to make online games work properly)
// @author Joey_JTS
// @license MIT
// @include http://*
// @include https://*
// @exclude *://agar.io
// @exclude *://classic.minecraft.net
// @exclude *://crazygames.com
// @exclude *://diep.io
// @exclude *://newgrounds.com
// @exclude *://ruffle.rs
// @exclude *://scratch.mit.edu
// @exclude *://slither.io
// @exclude *://turbowarp.org
// @namespace https://greasyfork.org/en/users/761382
// @unwrap
// @run-at document-idle
// @unwrap
// @grant none
// ==/UserScript==
(function () {
"use strict";
const originalGetContext = HTMLCanvasElement.prototype.getContext;
HTMLCanvasElement.prototype.getContext = function (contextType) {
if (contextType === "webgl" || contextType === "webgl2") {
console.log("WebGL is disabled by Tampermonkey");
return null;
}
return originalGetContext.apply(this, arguments);
};
})();