Comprehensive ad blocking across YouTube, Facebook, Twitter/X, Instagram, Reddit, news sites, and more. Blocks display ads, video ads, sponsored content, and tracking scripts.
// ==UserScript==
// @name Universal Ad Blocker Pro
// @namespace https://github.com/yourusername/universal-ad-blocker
// @version 4.0.0
// @description Comprehensive ad blocking across YouTube, Facebook, Twitter/X, Instagram, Reddit, news sites, and more. Blocks display ads, video ads, sponsored content, and tracking scripts.
// @author Gorstak
// @license MIT
// @match *://*.youtube.com/*
// @match *://*.facebook.com/*
// @match *://*.twitter.com/*
// @match *://*.x.com/*
// @match *://*.instagram.com/*
// @match *://*.reddit.com/*
// @match *://*.twitch.tv/*
// @match *://*.linkedin.com/*
// @match *://*.pinterest.com/*
// @match *://*.tiktok.com/*
// @match *://*.news.google.com/*
// @match *://*.cnn.com/*
// @match *://*.forbes.com/*
// @match *://*.nytimes.com/*
// @match *://*.washingtonpost.com/*
// @match *://*.theguardian.com/*
// @match *://*.bbc.com/*
// @match *://*.medium.com/*
// @match *://*.fandom.com/*
// @match *://*.wikia.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant none
// @run-at document-start
// @homepage https://github.com/yourusername/universal-ad-blocker
// @supportURL https://github.com/yourusername/universal-ad-blocker/issues
// ==/UserScript==
;(() => {
console.log("[Universal Ad Blocker] Initializing...")
// ========================================
// NETWORK-LEVEL BLOCKING
// ========================================
// Common ad/tracking domains and patterns
const blockedDomains = [
// Ad networks
"doubleclick.net",
"googleadservices.com",
"googlesyndication.com",
"adservice.google.com",
"amazon-adsystem.com",
"taboola.com",
"outbrain.com",
"criteo.com",
"scorecardresearch.com",
"ads-twitter.com",
"static.ads-twitter.com",
"advertising.com",
"adnxs.com",
"pubmatic.com",
"rubiconproject.com",
"adsafeprotected.com",
"moatads.com",
"advertising.yahoo.com",
"adtech.de",
"adform.net",
"serving-sys.com",
// Analytics and tracking
"google-analytics.com",
"googletagmanager.com",
"facebook.com/tr",
"connect.facebook.net",
"pixel.facebook.com",
"analytics.twitter.com",
"pixel.reddit.com",
"ads.linkedin.com",
"analytics.tiktok.com",
"hotjar.com",
"fullstory.com",
"segment.io",
"segment.com",
"mixpanel.com",
"amplitude.com",
]
const blockedPatterns = [
"/api/stats/ads",
"/api/stats/atr",
"/pagead/",
"/ptracking",
"/ad?",
"/ads?",
"/advert",
"/sponsored",
"/promotion",
"/tracking",
"/analytics",
"/collect?",
"/beacon",
"/pixel",
"/imp?",
"/impression",
"/click?",
"ad_banner",
"ad_frame",
"sponsored_content",
"promo_banner",
]
// Override fetch
const originalFetch = window.fetch
window.fetch = function (...args) {
const url = typeof args[0] === "string" ? args[0] : args[0]?.url || ""
// Check if URL matches blocked domains or patterns
if (
blockedDomains.some((domain) => url.includes(domain)) ||
blockedPatterns.some((pattern) => url.includes(pattern))
) {
console.log("[Universal Ad Blocker] Blocked fetch:", url)
return Promise.reject(new Error("Blocked by Universal Ad Blocker"))
}
return originalFetch.apply(this, args)
}
// Override XMLHttpRequest
const originalOpen = XMLHttpRequest.prototype.open
XMLHttpRequest.prototype.open = function (method, url, ...rest) {
if (
typeof url === "string" &&
(blockedDomains.some((domain) => url.includes(domain)) ||
blockedPatterns.some((pattern) => url.includes(pattern)))
) {
console.log("[Universal Ad Blocker] Blocked XHR:", url)
return
}
return originalOpen.call(this, method, url, ...rest)
}
// ========================================
// YOUTUBE AD BLOCKING
// ========================================
function removeYouTubeAds() {
// Skip ad buttons
const skipButtons = document.querySelectorAll(
".ytp-ad-skip-button, .ytp-skip-ad-button, .ytp-ad-skip-button-modern, .ytp-skip-ad-button__text",
)
skipButtons.forEach((btn) => {
if (btn && btn.click) btn.click()
})
// Remove ad overlay
const adOverlay = document.querySelector(".ytp-ad-player-overlay")
if (adOverlay) adOverlay.remove()
const adPlayerOverlay = document.querySelector(".ytp-ad-player-overlay-instream-info")
if (adPlayerOverlay) adPlayerOverlay.remove()
// YouTube ad selectors
const ytAdSelectors = [
"ytd-display-ad-renderer",
"ytd-promoted-sparkles-web-renderer",
"ytd-promoted-video-renderer",
"ytd-compact-promoted-video-renderer",
"ytd-in-feed-ad-layout-renderer",
"ytd-ad-slot-renderer",
"ytd-banner-promo-renderer",
"ytd-video-masthead-ad-v3-renderer",
"ytd-primetime-promo-renderer",
"ytd-statement-banner-renderer",
"ytd-action-companion-ad-renderer",
".video-ads",
".ytp-ad-module",
"#masthead-ad",
".ytd-mealbar-promo-renderer",
"ytm-promoted-sparkles-web-renderer",
"#player-ads",
".ytp-ad-text",
".ytp-ad-preview-container",
".ytp-ad-overlay-container",
".ytp-ad-image-overlay",
"ytd-compact-promoted-item-renderer",
"ytd-promoted-video-inline-renderer",
".ytd-promoted-video-renderer",
".ytd-display-ad-renderer",
"#masthead-ad",
]
ytAdSelectors.forEach((selector) => {
document.querySelectorAll(selector).forEach((el) => el.remove())
})
const video = document.querySelector("video")
if (video && video.duration) {
const adContainer = document.querySelector(".video-ads")
const adModule = document.querySelector(".ytp-ad-module")
if (adContainer || adModule) {
video.currentTime = video.duration
video.playbackRate = 16
}
}
}
function overrideYouTubeAdConfig() {
if (window.ytInitialPlayerResponse) {
delete window.ytInitialPlayerResponse.adPlacements
delete window.ytInitialPlayerResponse.playerAds
}
// Override ytInitialData ads
if (window.ytInitialData) {
try {
const removeAdsFromObject = (obj) => {
if (!obj || typeof obj !== "object") return
for (const key in obj) {
if (key.toLowerCase().includes("ad") || key.toLowerCase().includes("promo")) {
delete obj[key]
} else if (typeof obj[key] === "object") {
removeAdsFromObject(obj[key])
}
}
}
removeAdsFromObject(window.ytInitialData)
} catch (e) {
console.log("[Universal Ad Blocker] Error removing ads from ytInitialData:", e)
}
}
}
if (window.location.hostname.includes("youtube.com")) {
overrideYouTubeAdConfig()
// Re-run on navigation
let lastUrl = location.href
new MutationObserver(() => {
const url = location.href
if (url !== lastUrl) {
lastUrl = url
overrideYouTubeAdConfig()
}
}).observe(document, { subtree: true, childList: true })
}
// ========================================
// FACEBOOK/META AD BLOCKING
// ========================================
function removeFacebookAds() {
const fbAdSelectors = [
'[data-pagelet*="FeedUnit_"][data-pagelet*="ad"]',
'div[data-testid="fbfeed_story"]:has([aria-label*="Sponsored"])',
'[id^="hyperfeed_story_id_"]:has(a[href*="/ads/"])',
'div[role="article"]:has(span:contains("Sponsored"))',
'div[data-testid="story-subtilte"]:has(span:contains("Sponsored"))',
'[data-ad-preview="previewContainer"]',
"div[data-ad-comet-preview]",
]
fbAdSelectors.forEach((selector) => {
try {
document.querySelectorAll(selector).forEach((el) => {
const article = el.closest('[role="article"]') || el
article.style.display = "none"
})
} catch (e) {
/* Ignore selector errors */
}
})
// Check for "Sponsored" text
document.querySelectorAll("span, a").forEach((el) => {
if (el.textContent.trim() === "Sponsored" || el.textContent.includes("Sponsored")) {
const article = el.closest('[role="article"]')
if (article) article.style.display = "none"
}
})
}
// ========================================
// TWITTER/X AD BLOCKING
// ========================================
function removeTwitterAds() {
const twitterAdSelectors = [
'[data-testid="placementTracking"]',
'div[data-testid^="cellInnerDiv"]:has(span:contains("Ad"))',
'div[data-testid^="cellInnerDiv"]:has(span:contains("Promoted"))',
'[data-testid="trend"]:has([aria-label*="Promoted"])',
'div[role="complementary"] div:has(span:contains("Ad"))',
]
twitterAdSelectors.forEach((selector) => {
try {
document.querySelectorAll(selector).forEach((el) => el.remove())
} catch (e) {
/* Ignore selector errors */
}
})
// Check articles for promoted content
document.querySelectorAll("article").forEach((article) => {
const text = article.textContent
if (text.includes("Promoted") || text.includes("Ad ·")) {
article.style.display = "none"
}
})
}
// ========================================
// REDDIT AD BLOCKING
// ========================================
function removeRedditAds() {
const redditAdSelectors = [
'div[data-promoted="true"]',
'a[data-click-id="promoted"]',
".promotedlink",
"shreddit-ad-post",
'[slot="ad_top"]',
'[slot="ad_main"]',
'faceplate-tracker[source="ads"]',
'div:has(> a[href*="/advertising"])',
]
redditAdSelectors.forEach((selector) => {
document.querySelectorAll(selector).forEach((el) => el.remove())
})
}
// ========================================
// INSTAGRAM AD BLOCKING
// ========================================
function removeInstagramAds() {
document.querySelectorAll("article").forEach((article) => {
const text = article.textContent
if (text.includes("Sponsored")) {
article.style.display = "none"
}
})
}
// ========================================
// LINKEDIN AD BLOCKING
// ========================================
function removeLinkedInAds() {
const linkedInAdSelectors = [
".feed-shared-update-v2--promoted",
"div[data-ad-banner-id]",
'div[data-is-sponsored="true"]',
'span:contains("Promoted")',
]
linkedInAdSelectors.forEach((selector) => {
try {
document.querySelectorAll(selector).forEach((el) => {
const container = el.closest(".feed-shared-update-v2") || el
container.remove()
})
} catch (e) {
/* Ignore selector errors */
}
})
}
// ========================================
// NEWS SITES AD BLOCKING
// ========================================
function removeNewsSiteAds() {
const newsSiteAdSelectors = [
".ad",
".ads",
".advertisement",
".ad-container",
".ad-wrapper",
".ad-slot",
".ad-banner",
".ad-placeholder",
'[id*="ad-"]',
'[class*="ad-"]',
'[id*="google_ads"]',
'[class*="google_ads"]',
"[data-ad-rendered]",
'iframe[src*="doubleclick"]',
'iframe[src*="googlesyndication"]',
'div[id^="div-gpt-ad"]',
".sponsored-content",
".native-ad",
".promo-box",
"[data-google-query-id]",
]
newsSiteAdSelectors.forEach((selector) => {
document.querySelectorAll(selector).forEach((el) => {
// Don't remove if it's part of actual content
if (!el.closest("article") || (el.offsetHeight < 1000 && el.querySelector('img[src*="ad"]'))) {
el.remove()
}
})
})
}
// ========================================
// TWITCH AD BLOCKING
// ========================================
function removeTwitchAds() {
const twitchAdSelectors = ['[data-a-target="video-ad-label"]', ".video-ad", ".advertisement-banner"]
twitchAdSelectors.forEach((selector) => {
document.querySelectorAll(selector).forEach((el) => el.remove())
})
}
// ========================================
// GENERIC AD BLOCKING
// ========================================
function removeGenericAds() {
const genericAdSelectors = [
// Common ad containers
"ins.adsbygoogle",
'iframe[id*="google_ads"]',
'iframe[id*="aswift"]',
'div[id*="taboola"]',
'div[id*="outbrain"]',
'div[class*="advert"]',
'aside[class*="ad"]',
'[aria-label*="advertisement"]',
'[aria-label*="Advertisement"]',
// Video ad overlays
".video-ad-overlay",
".preroll-ad",
".midroll-ad",
]
genericAdSelectors.forEach((selector) => {
document.querySelectorAll(selector).forEach((el) => el.remove())
})
}
// ========================================
// MASTER REMOVAL FUNCTION
// ========================================
function removeAllAds() {
const hostname = window.location.hostname
// Site-specific removal
if (hostname.includes("youtube.com")) {
removeYouTubeAds()
} else if (hostname.includes("facebook.com")) {
removeFacebookAds()
} else if (hostname.includes("twitter.com") || hostname.includes("x.com")) {
removeTwitterAds()
} else if (hostname.includes("reddit.com")) {
removeRedditAds()
} else if (hostname.includes("instagram.com")) {
removeInstagramAds()
} else if (hostname.includes("linkedin.com")) {
removeLinkedInAds()
} else if (hostname.includes("twitch.tv")) {
removeTwitchAds()
} else {
removeNewsSiteAds()
}
// Always run generic removal
removeGenericAds()
}
// ========================================
// INITIALIZATION
// ========================================
// Run immediately
removeAllAds()
const checkInterval = window.location.hostname.includes("youtube.com") ? 500 : 1000
setInterval(removeAllAds, checkInterval)
// Observer for dynamically loaded content
if (document.body) {
const observer = new MutationObserver(removeAllAds)
observer.observe(document.body, {
childList: true,
subtree: true,
})
} else {
// Wait for body to load
document.addEventListener("DOMContentLoaded", () => {
removeAllAds()
const observer = new MutationObserver(removeAllAds)
observer.observe(document.body, {
childList: true,
subtree: true,
})
})
}
console.log("[Universal Ad Blocker] Initialized successfully")
})()