---
title: "Kenbunshoku – Chrome extension stats, history and permissions"
description: "41 users, no ratings yet. Version 0.4.1, updated 2026-10-31. Requests 6 permissions."
url: "https://extensiontracker.com/extension/gndfmgcngfebiiiioddngmifddjiiabf"
---

# Kenbunshoku

Live in the Chrome Web Store.

- Users: 41
- Rating: no ratings yet
- Last checked: 2026-11-01 05:42 UTC
- Users gained in 7 days: No change
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #93,055 of 289,024 live extensions
- Rank in Games: #3,685 of 7,204

## The listing

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

Summary from the listing:

> Unofficial fan project, not affiliated with Bandai. Hover a One Piece Card Game card in a YouTube or Twitch video to see the card.

- Extension ID: `gndfmgcngfebiiiioddngmifddjiiabf`
- Developer: [Cardvision](https://extensiontracker.com/developer/u064cacaff47aa4a4bf29697dcda45824)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Lifestyle › Games](https://extensiontracker.com/category/lifestyle/games)
- First published: 2026-10-18
- Last updated: 2026-10-31
- Version: `0.4.1`
- Size: 16.07 MiB
- Minimum Chrome: 121
- Languages (1): English
- Support page: `https://discord.gg/dsmmyU6RTG`
- Chrome Web Store: <https://chromewebstore.google.com/detail/kenbunshoku/gndfmgcngfebiiiioddngmifddjiiabf>
- View its code or download CRX: <https://crxpeek.com/extension/gndfmgcngfebiiiioddngmifddjiiabf>
- Search Google for the ID: <https://www.google.com/search?q=%22gndfmgcngfebiiiioddngmifddjiiabf%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-01 | 41 | – | – |
| 2026-10-31 | 40 | – | – |
| 2026-10-29 | 40 | – | – |
| 2026-10-28 | 39 | – | – |
| 2026-10-25 | 28 | – | – |
| 2026-10-19 | 3 | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-01: New version `0.4.1`, replacing `0.4.0`.
- 2026-10-31: New version `0.4.0`, replacing `0.3.0`.
- 2026-10-29: New version `0.3.0`, replacing `0.2.0`.
- 2026-10-28: New version `0.2.0`, replacing `0.1.0`.
- 2026-10-25: The developer's display name changed from “Kenbunshoku” to “Cardvision”.
- 2026-10-25: The developer's contact email changed.

## Developer history

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

- 2026-10-25: The contact email changed. The new contact email is shared with 1 other account: [raymondyang.dev](https://extensiontracker.com/developer/uddfd5fa805925c7dd89d6f65a5ed7612). The developer's display name changed from “Kenbunshoku” to “Cardvision”.

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://cdn.kenbunshoku.com/*`: cdn.kenbunshoku.com
- `https://optcgapi.com/*`: optcgapi.com
- `https://www.twitch.tv/*`: www.twitch.tv
- `https://www.youtube.com/*`: www.youtube.com

### Sites where it runs scripts

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

### Browser features

- `storage`: Save settings and data in your browser
- `unlimitedStorage`: Store more data than the usual limit

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [DuelSight](https://extensiontracker.com/extension/okngcckiafmekbmdgoakggfbicgoagnc) | 45 | – | – | Games |

All 2 extensions by [Cardvision](https://extensiontracker.com/developer/u064cacaff47aa4a4bf29697dcda45824).

## 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 2026-11-01 05:42 UTC; next check around 2026-11-17.

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

## Cite this page

Extension Tracker. “Kenbunshoku” (gndfmgcngfebiiiioddngmifddjiiabf). Chrome Web Store data, last checked 2026-11-01. https://extensiontracker.com/extension/gndfmgcngfebiiiioddngmifddjiiabf. Accessed 2026-11-08.

```bibtex
@misc{extensiontracker_gndfmgcngfebiiiioddngmifddjiiabf,
  title   = {Kenbunshoku (gndfmgcngfebiiiioddngmifddjiiabf)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-01},
  url     = {https://extensiontracker.com/extension/gndfmgcngfebiiiioddngmifddjiiabf},
  urldate = {2026-11-08}
}
```

---

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