☰

Janitor AI Ad Remover

Removes ads for the janitor ai app and janitor ai plus

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 or Violentmonkey 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         Janitor AI Ad Remover
// @namespace    https://janitorai.com/
// @version      1.1
// @description  Removes ads for the janitor ai app and janitor ai plus
// @author       pooiod7
// @match        https://janitorai.com/*
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function () {
  'use strict';

  const PATTERNS = {
    brand: /\b(janitor\s*\+|janitor\s*plus|najitor\s*(ai)?\s*(\+|plus)|jai\s*\+|jai\s*plus|janitorai\s*(\+|plus))\b/i,

    pricing: /([$€£¥]\s*\d+(\.\d{1,2})?\s*(usd|eur|gbp)?\s*(\/|a|per)?\s*(month|mo|year|yr)?|\b\d+(\.\d{1,2})?\s*(usd|eur|gbp)\s*(a|\/|per)?\s*(month|mo|year|yr)?\b)/i,

    cta: /\b(subscribe(\s+now)?|upgrade(\s+now|\s+to\s+plus)?|speed\s+up\s+responses|give\s+my\s+characters\s+more\s+memory|get\s+janitor\+|try\s+janitor\+|join\s+(the\s+)?plus|become\s+a\s+(subscriber|supporter|patron)|unlock\s+(all\s+)?models|claim\s+credit|start\s+(your\s+)?(free\s+)?trial|buy\s+credits?)\b/i,

    perks: /(faster\s+replies|better\s+memory|longer\s+memory|router\s+access|\$\d+\s+credit|the\s+bots\s+will\s+understand|lose\s+context\s+as\s+your\s+chat\s+grows|reply\s+is\s+taking\s+a\s+while|skip\s+the\s+queue|priority\s+(queue|generation|access)|unlimited\s+context|more\s+context\s+size|advanced\s+models|cancel\s+anytime|billed\s+(monthly|annually|yearly))/i,

    appInstall: /\b(download(\s+the)?\s+(mobile\s+)?app|get(\s+the)?\s+(mobile\s+)?app|install(\s+the)?\s+(mobile\s+)?app|open\s+in(\s+the)?\s+app|available\s+on\s+(google\s+play|app\s+store)|add\s+to\s+home\s*screen|install\s+pwa|get\s+the\s+apk|download\s+apk|testflight)\b/i,

    adLinks: /(\/plus|\/subscription|\/pricing|\/upgrade|\/premium|play\.google\.com|apps\.apple\.com|testflight\.apple\.com|\/download-app|\/app-install)/i,

    assetHints: /(premium-nebula-bg|stars\.webp|plus-banner|app-badge|google-play-badge|app-store-badge|download-app)/i
  };

  function isAdTrigger(el) {
    if (!el || el.nodeType !== Node.ELEMENT_NODE) return false;

    const ariaLabel = el.getAttribute('aria-label') || '';
    const title = el.getAttribute('title') || '';
    const href = el.getAttribute('href') || (el.tagName === 'A' ? el.href : '');
    const src = el.getAttribute('src') || '';

    if (PATTERNS.brand.test(ariaLabel) || PATTERNS.brand.test(title)) return true;
    if (PATTERNS.adLinks.test(href)) return true;
    if (PATTERNS.assetHints.test(src)) return true;

    const text = el.innerText || el.textContent || '';
    if (text.length > 0 && text.length < 800) {
      const hasBrand = PATTERNS.brand.test(text);
      const hasPricing = PATTERNS.pricing.test(text);
      const hasCta = PATTERNS.cta.test(text);
      const hasPerks = PATTERNS.perks.test(text);
      const hasApp = PATTERNS.appInstall.test(text);

      if (hasApp) return true;
      if (hasBrand && (hasCta || hasPricing || hasPerks)) return true;
      if (hasPricing && (hasCta || hasPerks)) return true;
      if (hasCta && hasPerks) return true;
    }

    return false;
  }

  function resolveAdContainer(el) {
    if (el.matches('[role="menuitem"], li, a[href*="/plus"]')) {
      return el.closest('[role="menuitem"], li') || el;
    }

    let curr = el;
    let candidate = el;

    while (curr && curr !== document.body && curr !== document.documentElement) {
      const tag = curr.tagName.toLowerCase();

      if (['main', 'nav', 'header'].includes(tag)) break;
      if (curr.id === 'root' || curr.id === '__next') break;

      if (curr.querySelector('textarea, input:not([type="button"]):not([type="submit"]), [contenteditable="true"]')) {
        break;
      }

      if (
        ['aside', 'section', 'dialog'].includes(tag) ||
        curr.getAttribute('role') === 'dialog' ||
        curr.getAttribute('role') === 'alert' ||
        /(banner|card|nudge|modal|promo|upgrade|popup)/i.test(curr.className || '')
      ) {
        candidate = curr;
        break;
      }

      candidate = curr;
      curr = curr.parentElement;
    }

    return candidate;
  }

  function tryDismiss(container) {
    const dismissBtn = container.querySelector(
      'button[aria-label*="dismiss" i], button[aria-label*="close" i], button[title*="close" i], button[title*="dismiss" i], button._dismiss'
    );
    if (dismissBtn) {
      console.log('[JAI Ad Remover] Clicked close/dismiss button:\n', dismissBtn.outerHTML);
      try {
        dismissBtn.click();
      } catch (err) {}
    }
  }

  function cleanElement(el) {
    if (el.dataset.jaiAdScanned) return;
    el.dataset.jaiAdScanned = 'true';

    if (isAdTrigger(el)) {
      const container = resolveAdContainer(el);

      if (container.dataset.jaiAdBlocked) return;

      tryDismiss(container);

      console.log('[JAI Ad Remover] Removed ad container:\n', container.outerHTML);

      container.style.setProperty('display', 'none', 'important');
      container.style.setProperty('visibility', 'hidden', 'important');
      container.setAttribute('aria-hidden', 'true');
      container.dataset.jaiAdBlocked = 'true';
    }
  }

  function sweep() {
    const selectors = [
      'aside',
      'section',
      'dialog',
      'a[href*="/plus"]',
      'a[href*="/subscription"]',
      'a[href*="/pricing"]',
      'a[href*="/upgrade"]',
      'a[href*="google.com"]',
      'a[href*="apple.com"]',
      '[aria-label*="janitor+" i]',
      '[aria-label*="plus" i]',
      '[aria-label*="subscribe" i]',
      '[aria-label*="upgrade" i]',
      '[class*="nudge"]',
      '[class*="banner"]',
      '[class*="card"]',
      '[class*="promo"]',
      '[class*="modal"]',
      'button'
    ];

    const elements = document.querySelectorAll(selectors.join(','));
    for (let i = 0; i < elements.length; i++) {
      cleanElement(elements[i]);
    }
  }

  const style = document.createElement('style');
  style.textContent = `
    [data-jai-ad-blocked="true"],
    aside[class*="nudge"],
    [class*="hp-plus-banner"],
    a[href="/plus"][role="menuitem"],
    svg[aria-label="janitor+"]:not(nav svg) {
      display: none !important;
      visibility: hidden !important;
      pointer-events: none !important;
    }
  `;
  (document.head || document.documentElement).appendChild(style);

  let scheduled = false;
  const observer = new MutationObserver(() => {
    if (scheduled) return;
    scheduled = true;

    (window.requestIdleCallback || window.requestAnimationFrame)(() => {
      sweep();
      scheduled = false;
    });
  });

  if (document.body) {
    sweep();
    observer.observe(document.body, { childList: true, subtree: true });
  } else {
    document.addEventListener('DOMContentLoaded', () => {
      sweep();
      observer.observe(document.body, { childList: true, subtree: true });
    });
  }
})();