# AdBlocker Ultimate

> Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

Canonical page: [https://chrome-stats.com/d/adblocker-ultimate](https://chrome-stats.com/d/adblocker-ultimate)

## Overview

- **ID:** `adblocker-ultimate`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** AdAvoid
- **Category:** privacy-security
- **Daily users:** 1,058,236
- **Weekly downloads:** 6,998
- **Rating:** 4.77 / 5 (27,209 ratings)
- **Version:** 4.3.0
- **Last updated:** 2026-07-15
- **First published:** 2016-02-18
- **Size:** 9.12 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/adblocker-ultimate/)
- **Website:** [https://adblockultimate.net/contact.html](https://adblockultimate.net/contact.html)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/adblocker-ultimate/privacy/](https://addons.mozilla.org/firefox/addon/adblocker-ultimate/privacy/)

## Description

AdBlocker Ultimate is a powerful free Chrome extension dedicated to completely removing all types of ads, including text, banner, pop-up, video, and Facebook ads. Unlike other ad blockers, it does not allow "acceptable" ads or advertiser whitelists, ensuring an uninterrupted, clean browsing experience. The extension also boosts browser performance by blocking malware and trackers, reducing CPU and memory usage for faster page loads.

Built as an open source project, AdBlocker Ultimate supports multiple browsers including Chrome, Edge, Opera, and Yandex, with versions available for iPhone, iPad, and Windows. Its extensive filtering shields users from annoying and intrusive ads, enhancing privacy and security while giving users the option to allow ads from trusted websites if desired.

## Rankings

- #15 — Overall
- #29 — Privacy & Security
- #6 — ad-blocking
- #7 — ad
- #9 — adblocker
- #11 — ad blocker

## Permissions and access

### Permissions

- `tabs`
- `<all_urls>`
- `webRequest`
- `webRequestBlocking`
- `webNavigation`
- `storage`
- `contextMenus`
- `cookies`

### Content script matches

- `*`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension was updated in the past 3 months. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

User reviews for AdBlocker Ultimate are largely positive, highlighting reliability, stability, and cross‑platform longevity. Many users say it does what it promises and continues to perform well over years of use, earning praise like “impeccable,” “the best,” and “spectacular.” A minority notes an over-blocking issue that can hide non-ad content, including AI search results. Overall, the add-on enjoys strong satisfaction and continued confidence from a diverse user base.

### Pros

- Reliable and does what it promises (consistently described as working/impeccable by several users).
- Stable performance across sessions and over time.
- Long-term use across multiple operating systems (Windows, macOS, Linux) with ongoing satisfaction.
- High levels of user satisfaction and praise (positive, enthusiastic feedback, calls it the best/commonly recommended).

### Cons

- Over-blocking non-ad content, including AI search results, as reported by at least one reviewer.

## Similar extensions and apps

- [Ultimate AdBlocker](https://chrome-stats.com/d/ultimate-adblocker) — 72 users
- [ADBlocker Express Ultimate Pro](https://chrome-stats.com/d/adblocker-express-ultimate-pro) — 65 users, 5.00 / 5
- [ADBlocker Ultimate Pro V 1.2.1](https://chrome-stats.com/d/adblocker-ultimate-pro-v-1-2-1) — 37 users
- [Adblocker](https://chrome-stats.com/d/adblocker-with-buster) — 4,575 users, 4.71 / 5
- [AdBlox - Ad Blocker](https://chrome-stats.com/d/adblox-ad-blocker) — 1,527 users, 3.00 / 5
- [Adblock](https://chrome-stats.com/d/silient-blocker) — 76 users, 3.67 / 5
- [ProBlocker - Ad Blocker for YouTube & Web](https://chrome-stats.com/d/ultimate_free_adblocker) — 132 users
- [Ultimate Ad Blocker](https://chrome-stats.com/d/ultimate-ad-blocker) — 105 users
- [Ad-Free Adblock | Ultimate Ad Blocker](https://chrome-stats.com/d/ad-free-adblock-ultimate-ad-) — 6 users
- [AdsBlocker](https://chrome-stats.com/d/adsblocker) — 3,097 users, 3.97 / 5
- [BroxMe AdBlocker](https://chrome-stats.com/d/broxme-adblocker) — 37 users, 5.00 / 5
- [Ultimate Ad Eraser](https://chrome-stats.com/d/ultimate-ad-eraser) — 8 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/adblocker-ultimate)