Mac-style Overlay Cursor

Overlay a Mac-style cursor (black fill, white border) that follows the real cursor and hides the system cursor. Works on iPadOS Safari (Userscripts) and desktop.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Mac-style Overlay Cursor
// @namespace    https://greasyfork.org/en/users/000000
// @version      1.0
// @description  Overlay a Mac-style cursor (black fill, white border) that follows the real cursor and hides the system cursor. Works on iPadOS Safari (Userscripts) and desktop.
// @author       NotNightmare
// @match        *://*/*
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    const CURSOR_SIZE = 24;

    if (window.__macCursorOverlayActive) return;
    window.__macCursorOverlayActive = true;

    const style = document.createElement('style');
    style.textContent = `
        html, body {
            cursor: none !important;
        }

        .mac-cursor-overlay {
            position: fixed;
            width: ${CURSOR_SIZE}px;
            height: ${CURSOR_SIZE}px;
            pointer-events: none;
            z-index: 999999;
            transform: translate(-2px, -1px);
        }

        .mac-cursor-shape {
            width: 0;
            height: 0;
            border-style: solid;
            border-width: ${CURSOR_SIZE}px 0 0 ${CURSOR_SIZE}px;
            border-color: transparent transparent transparent black;
            filter:
                drop-shadow(1px 0 white)
                drop-shadow(0 1px white)
                drop-shadow(-1px 0 white)
                drop-shadow(0 -1px white)
                drop-shadow(2px 2px rgba(0,0,0,0.3));
        }
    `;
    document.documentElement.appendChild(style);

    const cursor = document.createElement('div');
    cursor.className = 'mac-cursor-overlay';

    const arrow = document.createElement('div');
    arrow.className = 'mac-cursor-shape';

    cursor.appendChild(arrow);
    document.documentElement.appendChild(cursor);

    let x = window.innerWidth / 2;
    let y = window.innerHeight / 2;
    let raf = null;

    function update() {
        cursor.style.left = `${x}px`;
        cursor.style.top = `${y}px`;
        raf = null;
    }

    function move(e) {
        if (e.pointerType === 'touch') return;
        x = e.clientX;
        y = e.clientY;
        if (!raf) raf = requestAnimationFrame(update);
    }

    window.addEventListener('pointermove', move, { passive: true });
    window.addEventListener('mousemove', move, { passive: true });
})();