---
title: "ニコ生アラート – Chrome extension stats, history and permissions"
description: "3,000 users, rated 4.53 by 17 people. Version 3.9.1, updated 2026-08-29. Requests 6 permissions."
url: "https://extensiontracker.com/extension/kdgfbbcfpidajkpljnlngpglniggjbjm"
---

# ニコ生アラート

Live in the Chrome Web Store.

- Users: 3,000
- Rating: 4.53 from 17 ratings
- Last checked: 2026-09-28 02:37 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #12,549 of 264,703 live extensions
- Rank in Social Networking: #573 of 7,022

## The listing

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

Summary from the listing:

> ニコニコ生放送の放送アラートと自動入場が可能になります。

- Extension ID: `kdgfbbcfpidajkpljnlngpglniggjbjm`
- Developer: [honishi](https://extensiontracker.com/developer/uc99f88ea6a293d8efd6659c66ee015c6)
- Category: [Lifestyle › Social Networking](https://extensiontracker.com/category/lifestyle/social)
- First published: 2023-09-21
- Last updated: 2026-08-29
- Version: `3.9.1`
- Size: 622 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Chrome Web Store: <https://chromewebstore.google.com/detail/%E3%83%8B%E3%82%B3%E7%94%9F%E3%82%A2%E3%83%A9%E3%83%BC%E3%83%88/kdgfbbcfpidajkpljnlngpglniggjbjm>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fkdgfbbcfpidajkpljnlngpglniggjbjm>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-28 | 3,000 | 4.53 | 17 |
| 2026-09-27 | 3,000 | 4.53 | 17 |

## 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

- `https://*.nicovideo.jp/*`: nicovideo.jp and its subdomains
- `https://secure-dcdn.cdn.nimg.jp/*`: secure-dcdn.cdn.nimg.jp

### Sites where it runs scripts

- `https://account.nicovideo.jp/*`: account.nicovideo.jp
- `https://ch.nicovideo.jp/*`: ch.nicovideo.jp
- `https://live.nicovideo.jp/watch/*`: live.nicovideo.jp
- `https://www.nicovideo.jp/my/follow*`: www.nicovideo.jp
- `https://www.nicovideo.jp/user/*`: www.nicovideo.jp

### Browser features

- `cookies`: Read and change cookies on the sites it can reach
- `notifications`: Show notifications
- `offscreen`: Open a hidden page for background work
- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Kick Signal](https://extensiontracker.com/extension/kpjjlpmbcbnbemdadfnkgmhchiibifda) | 4,000 | 4.32 | 19 | Social Networking |
| [Twitch Live Chime](https://extensiontracker.com/extension/jadichgmonmhlagkpbpiednhokaeaaja) | 795 | 5.00 | 7 | Social Networking |
| [ニコ生キープアライブ](https://extensiontracker.com/extension/fdhjiepbemmboedlbpmpponhnhmcbdoe) | 416 | 5.00 | 2 | Social Networking |
| [ニコ生ショートカット](https://extensiontracker.com/extension/gcmblbliompolcmdgmkmmfgefhamghee) | 40 | – | – | Social Networking |

All 5 extensions by [honishi](https://extensiontracker.com/developer/uc99f88ea6a293d8efd6659c66ee015c6).

## 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 2026-09-28 02:37 UTC; next check around 2026-10-04.

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

## Cite this page

Extension Tracker. “ニコ生アラート” (kdgfbbcfpidajkpljnlngpglniggjbjm). Chrome Web Store data, last checked 2026-09-28. https://extensiontracker.com/extension/kdgfbbcfpidajkpljnlngpglniggjbjm. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_kdgfbbcfpidajkpljnlngpglniggjbjm,
  title   = {ニコ生アラート (kdgfbbcfpidajkpljnlngpglniggjbjm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-28},
  url     = {https://extensiontracker.com/extension/kdgfbbcfpidajkpljnlngpglniggjbjm},
  urldate = {2026-09-28}
}
```

---

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