---
title: "ISBN / ISSN NDL 所蔵検索 – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 0.2.4, updated 2026-10-30. Requests 4 permissions."
url: "https://extensiontracker.com/extension/pmpbalpokagkcmaeimpgfmakgihidnnm"
---

# ISBN / ISSN NDL 所蔵検索

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-11-06 16:58 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)

## The listing

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

Summary from the listing:

> ページのISBN・ISSNを抽出しNDLサーチSRUで所蔵館名を表示。HTTP 429では数秒後に回数限定で再試行。

- Extension ID: `pmpbalpokagkcmaeimpgfmakgihidnnm`
- Developer: [Anne](https://extensiontracker.com/developer/u0bb96e26409bfc4dc1a9e510e83fdd55)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Productivity › Education](https://extensiontracker.com/category/productivity/education)
- First published: 2026-10-30
- Last updated: 2026-10-30
- Version: `0.2.4`
- Size: 23.26 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Privacy policy: `https://an-na-o.github.io/Pages/privacy-cext-ndl.html`
- Chrome Web Store: <https://chromewebstore.google.com/detail/isbn-issn-ndl-%E6%89%80%E8%94%B5%E6%A4%9C%E7%B4%A2/pmpbalpokagkcmaeimpgfmakgihidnnm>
- View its code or download CRX: <https://crxpeek.com/extension/pmpbalpokagkcmaeimpgfmakgihidnnm>
- Search Google for the ID: <https://www.google.com/search?q=%22pmpbalpokagkcmaeimpgfmakgihidnnm%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-06 | – | – | – |
| 2026-10-31 | – | – | – |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-10-31.

## Developer history

Moves to another publisher account and new contact emails, newest first.

No move to another account and no new contact email since tracking began on 2026-10-31.

We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/).

## What it can access

From the extension's manifest, in plain language.

### Sites

- `https://ndlsearch.ndl.go.jp/*`: ndlsearch.ndl.go.jp

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `scripting`: Run scripts on sites it can reach
- `sidePanel`: Show a side panel

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [OpenAthens Resource Viewer](https://extensiontracker.com/extension/flkgdhbeghepmkliafncckghcofcaibj) | 3 | – | – | Education |

All 2 extensions by [Anne](https://extensiontracker.com/developer/u0bb96e26409bfc4dc1a9e510e83fdd55).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 2026-11-06 16:58 UTC; next check around 2026-11-29.

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

## Cite this page

Extension Tracker. “ISBN / ISSN NDL 所蔵検索” (pmpbalpokagkcmaeimpgfmakgihidnnm). Chrome Web Store data, last checked 2026-11-06. https://extensiontracker.com/extension/pmpbalpokagkcmaeimpgfmakgihidnnm. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_pmpbalpokagkcmaeimpgfmakgihidnnm,
  title   = {ISBN / ISSN NDL 所蔵検索 (pmpbalpokagkcmaeimpgfmakgihidnnm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-06},
  url     = {https://extensiontracker.com/extension/pmpbalpokagkcmaeimpgfmakgihidnnm},
  urldate = {2026-11-08}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/pmpbalpokagkcmaeimpgfmakgihidnnm>. 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. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.