---
title: "Spellspeed for DuelingBook – Chrome extension stats, history and permissions"
description: "2 users, no ratings yet. Version 0.9.2-beta, updated 2026-11-10. Requests 1 permission."
url: "https://extensiontracker.com/extension/fcaoibhakcgpbjickjgpdpdpnfdikdnn"
---

# Spellspeed for DuelingBook

Live in the Chrome Web Store.

- Users: 2
- Rating: no ratings yet
- Last checked: 2026-11-11 05:41 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #250,052 of 292,131 live extensions
- Rank in Just for Fun: #7,715 of 8,577

## The listing

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

Summary from the listing:

> Faster, cleaner DuelingBook: drag-and-drop plays, card fans, shortcut keys, replay rewind, themes and a smarter deck builder.

- Extension ID: `fcaoibhakcgpbjickjgpdpdpnfdikdnn`
- Developer: [Spellspeed](https://extensiontracker.com/developer/u50b5c4880b60eb46a8d612de36896cf8)
- Enhanced Safe Browsing: Not trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing))
- Category: [Lifestyle › Just for Fun](https://extensiontracker.com/category/lifestyle/fun)
- First published: 2026-11-07
- Last updated: 2026-11-10
- Version: `0.9.2-beta`
- Size: 1.73 MiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://spellspeed.com`
- Chrome Web Store: <https://chromewebstore.google.com/detail/spellspeed-for-duelingboo/fcaoibhakcgpbjickjgpdpdpnfdikdnn>
- View its code or download CRX: <https://crxpeek.com/extension/fcaoibhakcgpbjickjgpdpdpnfdikdnn>
- Search Google for the ID: <https://www.google.com/search?q=%22fcaoibhakcgpbjickjgpdpdpnfdikdnn%22&tbs=li:1>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-11-11 | 2 | – | – |
| 2026-11-08 | – | – | – |

## What changed

Every change found on a check, newest first.

- 2026-11-11: New version `0.9.2-beta`, replacing `0.9.1-beta`.

## 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 2026-11-08.

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 where it runs scripts

- `https://duelingbook.com/*`: duelingbook.com
- `https://duelingbook.com/replay*`: duelingbook.com
- `https://www.duelingbook.com/*`: www.duelingbook.com
- `https://www.duelingbook.com/replay*`: www.duelingbook.com

### Browser features

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

## 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 2026-11-11 05:41 UTC; next check around 2026-11-14.

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

## Cite this page

Extension Tracker. “Spellspeed for DuelingBook” (fcaoibhakcgpbjickjgpdpdpnfdikdnn). Chrome Web Store data, last checked 2026-11-11. https://extensiontracker.com/extension/fcaoibhakcgpbjickjgpdpdpnfdikdnn. Accessed 2026-11-13.

```bibtex
@misc{extensiontracker_fcaoibhakcgpbjickjgpdpdpnfdikdnn,
  title   = {Spellspeed for DuelingBook (fcaoibhakcgpbjickjgpdpdpnfdikdnn)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-11},
  url     = {https://extensiontracker.com/extension/fcaoibhakcgpbjickjgpdpdpnfdikdnn},
  urldate = {2026-11-13}
}
```

---

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