---
title: "HOTARU – Chrome extension stats, history and permissions"
description: "No user count, no ratings yet. Version 0.4.3, updated 2026-11-04. Requests 2 permissions."
url: "https://extensiontracker.com/extension/nfpioeffjnjkekbjaemangcfadpijbea"
---

# HOTARU

Live in the Chrome Web Store.

- Users: the store shows no user count
- Rating: no ratings yet
- Last checked: 2026-11-09 08:38 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:

> Read what YouTube says in your language, in time with the sound. The word being spoken lights up. Record yourself and get a score.

- Extension ID: `nfpioeffjnjkekbjaemangcfadpijbea`
- Developer: [Shinya Nagahama](https://extensiontracker.com/developer/uabfbae52e3acb6de24e99705c839b426)
- 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: 2026-11-02
- Last updated: 2026-11-04
- Version: `0.4.3`
- Size: 136 KiB
- Minimum Chrome: 88
- Languages (13): Deutsch, English, Filipino, Indonesia, Tiếng Việt, español, français, português (Brasil), ไทย, 中文（中国）, 中文（台灣）, 日本語, 한국어
- Support page: `https://hotaru-jp.pages.dev/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/hotaru/nfpioeffjnjkekbjaemangcfadpijbea>
- View its code or download CRX: <https://crxpeek.com/extension/nfpioeffjnjkekbjaemangcfadpijbea>
- Search Google for the ID: <https://www.google.com/search?q=%22nfpioeffjnjkekbjaemangcfadpijbea%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-09 | – | – | – |
| 2026-11-04 | 1 | – | – |
| 2026-11-03 | – | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-04: New version `0.4.3`, replacing `0.3.0`.
- 2026-11-04: The summary on the listing changed.
- 2026-11-04: Now listed in 13 languages, from 1.

## 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 2026-11-03.

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://www.youtube.com/*`: www.youtube.com

### Sites where it runs scripts

- `https://www.youtube.com/*`: www.youtube.com

### Browser features

- `storage`: Save settings and data in your browser

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [QuickRecap: AI Summaries for YouTube Videos](https://extensiontracker.com/extension/bfbpiolhanjogmdeedfdfdpjbelddhch) | – | – | – | Tools |

All 2 extensions by [Shinya Nagahama](https://extensiontracker.com/developer/uabfbae52e3acb6de24e99705c839b426).

## 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 2026-11-09 08:38 UTC; next check around 2026-12-02.

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

## Cite this page

Extension Tracker. “HOTARU” (nfpioeffjnjkekbjaemangcfadpijbea). Chrome Web Store data, last checked 2026-11-09. https://extensiontracker.com/extension/nfpioeffjnjkekbjaemangcfadpijbea. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_nfpioeffjnjkekbjaemangcfadpijbea,
  title   = {HOTARU (nfpioeffjnjkekbjaemangcfadpijbea)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-09},
  url     = {https://extensiontracker.com/extension/nfpioeffjnjkekbjaemangcfadpijbea},
  urldate = {2026-11-13}
}
```

---

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