---
title: "JustBlock Security – Ad Blocker, Malware & Phishing Protection – Chrome extension stats, history and permissions"
description: "70,000 users, rated 3.89 by 2,580 people. Version 3.0.6, updated 2026-08-26. Requests 3 permissions."
url: "https://extensiontracker.com/extension/hiajdlfgbgnnjakkbnpdhmhfhklkbiol"
---

# JustBlock Security – Ad Blocker, Malware & Phishing Protection

Live in the Chrome Web Store.

- Users: 70,000
- Rating: 3.89 from 2,580 ratings
- Last checked: 2026-09-27 02:26 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #2,064 of 264,703 live extensions
- Rank in Workflow & Planning: #694 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Block ads, trackers, malware, phishing & scams with MV3 rules. No data collection. Lightweight, fast, easy to use.

- Extension ID: `hiajdlfgbgnnjakkbnpdhmhfhklkbiol`
- Developer: [JustBlock Security](https://extensiontracker.com/developer/u08a9b010eb8772b545041b08b41f0743)
- Trader status: Declared a trader under EU law
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2011-09-18
- Last updated: 2026-08-26
- Version: `3.0.6`
- Size: 2.05 MiB
- Minimum Chrome: 88
- Languages (8): Deutsch, English (United Kingdom), English (United States), español, español (Latinoamérica), français, português (Brasil), português (Portugal)
- Website: `justblock.org`
- Chrome Web Store: <https://chromewebstore.google.com/detail/justblock-security-%E2%80%93-ad-b/hiajdlfgbgnnjakkbnpdhmhfhklkbiol>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fhiajdlfgbgnnjakkbnpdhmhfhklkbiol>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 70,000 | 3.89 | 2,580 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

**Every website:** it can read and change your data on all the sites you visit.

### Sites where it runs scripts

- `http://*/*`: Every website
- `https://*/*`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `declarativeNetRequest`: Block or change network requests, using rules
- `storage`: Save settings and data in your browser

### Asked for later, if you agree

- `tabs`: Read the addresses and titles of your tabs

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [AI Protect: Prompt & Extension Guard](https://extensiontracker.com/extension/ccmccoifgmogllppkahijhkingoeapph) | 1,000 | 3.27 | 26 | Privacy & Security |
| [AI Privacy Cleaner – Remove Sensitive Data](https://extensiontracker.com/extension/kkbaengmeimipigkgmbcilbhmgajehnp) | 3 | – | – | Privacy & Security |

All 3 extensions by [JustBlock Security](https://extensiontracker.com/developer/u08a9b010eb8772b545041b08b41f0743).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 2026-09-27 02:26 UTC; next check around 2026-09-30.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “JustBlock Security – Ad Blocker, Malware & Phishing Protection” (hiajdlfgbgnnjakkbnpdhmhfhklkbiol). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/hiajdlfgbgnnjakkbnpdhmhfhklkbiol. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_hiajdlfgbgnnjakkbnpdhmhfhklkbiol,
  title   = {JustBlock Security – Ad Blocker, Malware & Phishing Protection (hiajdlfgbgnnjakkbnpdhmhfhklkbiol)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/hiajdlfgbgnnjakkbnpdhmhfhklkbiol},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/hiajdlfgbgnnjakkbnpdhmhfhklkbiol>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.