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Disable WebGL on all pages (modified)

This script will disable WebGL on all sites (but with few site exceptions included to make online games work properly)

Fra og med 09.10.2025. Se den nyeste version.

// ==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);
  };
})();