Blocks all cookies on all sites by overriding document.cookie API (client-side only).
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// ==UserScript==
// @name Total Cookie Blocker
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Blocks all cookies on all sites by overriding document.cookie API (client-side only).
// @author Wassim
// @match *://*/*
// @run-at document-start
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Override document.cookie to block read and write
Object.defineProperty(document, 'cookie', {
get: function() {
console.log('[Cookie Blocker] Attempted to read cookies');
return ''; // Return empty to simulate no cookies
},
set: function(value) {
console.log('[Cookie Blocker] Blocked cookie write:', value);
// Do not actually set the cookie
},
configurable: false
});
// Delete all accessible cookies
function deleteAllCookies() {
const cookies = document.cookie.split("; ");
for (let c of cookies) {
const eqPos = c.indexOf("=");
const name = eqPos > -1 ? c.substr(0, eqPos) : c;
document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/";
}
console.log('[Cookie Blocker] All cookies deleted.');
}
// Try deleting cookies on DOM ready
window.addEventListener('DOMContentLoaded', deleteAllCookies);
})();