---
title: "InstAddr for Chrome – Chrome extension stats, history and permissions"
description: "30,000 users, rated 4.71 by 70 people. Version 2.2.2, updated 2026-08-08. Requests 10 permissions."
url: "https://extensiontracker.com/extension/ephdkjannbbaocplebkfnnnimphfpigj"
---

# InstAddr for Chrome

Live in the Chrome Web Store.

- Users: 30,000
- Rating: 4.71 from 70 ratings
- Last checked: 2026-09-27 00:47 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #3,261 of 264,702 live extensions
- Rank in Tools: #690 of 103,498

## The listing

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

Summary from the listing:

> Extension that notifies you of new e-mails received at your InstAddr e-mail address.

- Extension ID: `ephdkjannbbaocplebkfnnnimphfpigj`
- Developer: [aquapal by Kukusama](https://extensiontracker.com/developer/u32aa1538cb70f11f5ad08e7f338c3e62)
- Category: [Productivity › Tools](https://extensiontracker.com/category/productivity/tools)
- First published: 2014-03-28
- Last updated: 2026-08-08
- Version: `2.2.2`
- Size: 26.45 KiB
- Minimum Chrome: 88
- Languages (2): English, 日本語
- Website: `https://m.kuku.lu/`
- Support page: `https://m.kuku.lu/help.php`
- Chrome Web Store: <https://chromewebstore.google.com/detail/instaddr-for-chrome/ephdkjannbbaocplebkfnnnimphfpigj>
- View the code or download the CRX, in CRX Peek: <https://crxpeek.com/?id=ephdkjannbbaocplebkfnnnimphfpigj>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 30,000 | 4.71 | 70 |

## 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.

### Sites

- `*://*.kuku.lu/`: kuku.lu and its subdomains

### Sites where it runs scripts

- `*://m.kuku.lu/*`: m.kuku.lu
- `*://mr.kuku.lu/*`: mr.kuku.lu

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `background`: Keep running in the background
- `contextMenus`: Add items to the right-click menu
- `notifications`: Show notifications
- `offscreen`: Open a hidden page for background work
- `scripting`: Run scripts on sites it can reach
- `storage`: Save settings and data in your browser
- `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 |
| --- | ---: | ---: | ---: | --- |
| [kukuluLIVE Notification for Chrome](https://extensiontracker.com/extension/glpfbblmpdepemlhgaliablcdacehlgo) | 957 | 4.60 | 5 | Social Networking |

All 2 extensions by [aquapal by Kukusama](https://extensiontracker.com/developer/u32aa1538cb70f11f5ad08e7f338c3e62).

## 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 00:47 UTC; next check around 2026-10-01.

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

## Cite this page

Extension Tracker. “InstAddr for Chrome” (ephdkjannbbaocplebkfnnnimphfpigj). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ephdkjannbbaocplebkfnnnimphfpigj. Accessed 2026-09-28.

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

---

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