---
title: "Block Websites on Chrome – Chrome extension stats, history and permissions"
description: "50,000 users, rated 4.54 by 143 people. Version 2.5.0, updated 2026-09-15. Requests 10 permissions."
url: "https://extensiontracker.com/extension/jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm"
---

# Block Websites on Chrome

Live in the Chrome Web Store.

- Users: 50,000
- Rating: 4.54 from 143 ratings
- Last checked: 2026-09-27 03:31 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #2,504 of 264,703 live extensions
- Rank in Tools: #515 of 103,498

## The listing

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

Summary from the listing:

> Use Block Websites on Chrome - Website Blocker & Focus Timer: Block sites, stay focused with a pomodoro timer and productivity tools

- Extension ID: `jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm`
- Developer: [developerext7](https://extensiontracker.com/developer/u494dd7cd7dd068e8fb93f084c71e75d3)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2024-05-24
- Last updated: 2026-09-15
- Version: `2.5.0`
- Size: 1.7 MiB
- Minimum Chrome: 111
- Languages (52): Deutsch, English, Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español, español (Latinoamérica), français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, मराठी, हिन्दी, বাংলা, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Website: `websiteblocker.pro`
- Chrome Web Store: <https://chromewebstore.google.com/detail/block-websites-on-chrome/jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fjdkmmjkcmjjhfegmbmaijcnlgkfnfcpm>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 50,000 | 4.54 | 143 |

## 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

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

### Sites where it runs scripts

- `<all_urls>`: Every website

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `declarativeNetRequestWithHostAccess`: Block or change network requests on the sites it can reach
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `webNavigation`: Follow your browsing, page by page
- `webRequest`: Watch network requests on the sites it can reach

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Quick Chrome History Export](https://extensiontracker.com/extension/acjbkgbpefalkaebgodhnbdgjbignonj) | 10,000 | 4.71 | 14 | Workflow & Planning |
| [To-do List Chrome Extension](https://extensiontracker.com/extension/camddgkedhmojebcokadfcjlkknlclck) | 1,000 | 4.96 | 23 | Tools |
| [Ad blocker chrome extension: adblock](https://extensiontracker.com/extension/iacdoedhidhjhalpiadpjljgfglfekna) | 1,000 | 3.50 | 6 | Tools |
| [Screen Dimmer – Blue Light Filter](https://extensiontracker.com/extension/pmdamnmhoopjghhicipobcdkaaochiaa) | 868 | 5.00 | 4 | Tools |
| [Clear cache and cookies](https://extensiontracker.com/extension/gbnelekdlmgdfnilocgnfldhnhheobko) | 263 | 4.00 | 1 | Tools |
| [XPath Tester](https://extensiontracker.com/extension/lleffifhlcaijinkocppghpgbnioechc) | 83 | – | – | Developer Tools |

All 7 extensions by [developerext7](https://extensiontracker.com/developer/u494dd7cd7dd068e8fb93f084c71e75d3).

## 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 03:31 UTC; next check around 2026-10-04.

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

## Cite this page

Extension Tracker. “Block Websites on Chrome” (jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm,
  title   = {Block Websites on Chrome (jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/jdkmmjkcmjjhfegmbmaijcnlgkfnfcpm>. 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`.