---
title: "CoAuthor - Amazon Book Research – Chrome extension stats, history and permissions"
description: "4,000 users, rated 4.96 by 22 people. Version 1.5.2, updated 2026-09-03. Requests 15 permissions."
url: "https://extensiontracker.com/extension/iennlafmfjlmpnagoidligobnddejkpa"
---

# CoAuthor - Amazon Book Research

Live in the Chrome Web Store.

- Users: 4,000
- Rating: 4.96 from 22 ratings
- Last checked: 2026-09-27 02:56 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #11,220 of 264,704 live extensions
- Rank in Shopping: #454 of 8,433

## The listing

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

Summary from the listing:

> Instantly see BSR, estimated sales, royalties, and keyword insights for any book on Amazon and Audible. Powered by CoAuthor.ai

- Extension ID: `iennlafmfjlmpnagoidligobnddejkpa`
- Developer: [dev](https://extensiontracker.com/developer/u162161375d5844e16fbf8e2f5cd7adb3)
- Trader status: Declared a trader under EU law
- Category: [Lifestyle › Shopping](https://extensiontracker.com/category/lifestyle/shopping)
- First published: 2026-08-01
- Last updated: 2026-09-03
- Version: `1.5.2`
- Size: 70.16 KiB
- Minimum Chrome: 88
- Languages (1): English (United States)
- Support page: `https://coauthor.ai/support`
- Chrome Web Store: <https://chromewebstore.google.com/detail/coauthor-amazon-book-rese/iennlafmfjlmpnagoidligobnddejkpa>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fiennlafmfjlmpnagoidligobnddejkpa>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 4,000 | 4.96 | 22 |

## 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://amazon.com/*`: amazon.com
- `https://audible.com/*`: audible.com
- `https://coauthor.ai/*`: coauthor.ai
- `https://completion.amazon.com/*`: completion.amazon.com
- `https://www.amazon.ca/*`: www.amazon.ca
- `https://www.amazon.co.uk/*`: www.amazon.co.uk
- `https://www.amazon.com.au/*`: www.amazon.com.au
- `https://www.amazon.com/*`: www.amazon.com
- `https://www.amazon.de/*`: www.amazon.de
- `https://www.amazon.es/*`: www.amazon.es
- `https://www.amazon.fr/*`: www.amazon.fr
- `https://www.amazon.it/*`: www.amazon.it
- `https://www.audible.com/*`: www.audible.com

### Sites where it runs scripts

- `https://coauthor.ai/*`: coauthor.ai
- `https://www.amazon.ca/*`: www.amazon.ca
- `https://www.amazon.ca/*/dp/*`: www.amazon.ca
- `https://www.amazon.ca/dp/*`: www.amazon.ca
- `https://www.amazon.ca/gp/product/*`: www.amazon.ca
- `https://www.amazon.ca/s*`: www.amazon.ca
- `https://www.amazon.ca/s?*`: www.amazon.ca
- `https://www.amazon.co.uk/*`: www.amazon.co.uk
- `https://www.amazon.co.uk/*/dp/*`: www.amazon.co.uk
- `https://www.amazon.co.uk/dp/*`: www.amazon.co.uk
- `https://www.amazon.co.uk/gp/product/*`: www.amazon.co.uk
- `https://www.amazon.co.uk/s*`: www.amazon.co.uk
- `https://www.amazon.co.uk/s?*`: www.amazon.co.uk
- `https://www.amazon.com.au/*`: www.amazon.com.au
- `https://www.amazon.com.au/*/dp/*`: www.amazon.com.au
- `https://www.amazon.com.au/dp/*`: www.amazon.com.au
- `https://www.amazon.com.au/gp/product/*`: www.amazon.com.au
- `https://www.amazon.com.au/s*`: www.amazon.com.au
- `https://www.amazon.com.au/s?*`: www.amazon.com.au
- `https://www.amazon.com/*`: www.amazon.com
- `https://www.amazon.com/*/dp/*`: www.amazon.com
- `https://www.amazon.com/dp/*`: www.amazon.com
- `https://www.amazon.com/gp/product/*`: www.amazon.com
- `https://www.amazon.com/s*`: www.amazon.com
- `https://www.amazon.com/s?*`: www.amazon.com
- `https://www.amazon.de/*`: www.amazon.de
- `https://www.amazon.de/*/dp/*`: www.amazon.de
- `https://www.amazon.de/dp/*`: www.amazon.de
- `https://www.amazon.de/gp/product/*`: www.amazon.de
- `https://www.amazon.de/s*`: www.amazon.de
- `https://www.amazon.de/s?*`: www.amazon.de
- `https://www.amazon.es/*`: www.amazon.es
- `https://www.amazon.es/*/dp/*`: www.amazon.es
- `https://www.amazon.es/dp/*`: www.amazon.es
- `https://www.amazon.es/gp/product/*`: www.amazon.es
- `https://www.amazon.es/s*`: www.amazon.es
- `https://www.amazon.es/s?*`: www.amazon.es
- `https://www.amazon.fr/*`: www.amazon.fr
- `https://www.amazon.fr/*/dp/*`: www.amazon.fr
- `https://www.amazon.fr/dp/*`: www.amazon.fr
- `https://www.amazon.fr/gp/product/*`: www.amazon.fr
- `https://www.amazon.fr/s*`: www.amazon.fr
- `https://www.amazon.fr/s?*`: www.amazon.fr
- `https://www.amazon.it/*`: www.amazon.it
- `https://www.amazon.it/*/dp/*`: www.amazon.it
- `https://www.amazon.it/dp/*`: www.amazon.it
- `https://www.amazon.it/gp/product/*`: www.amazon.it
- `https://www.amazon.it/s*`: www.amazon.it
- `https://www.amazon.it/s?*`: www.amazon.it
- `https://www.audible.com/*`: www.audible.com

### Browser features

- `alarms`: Run tasks on a schedule
- `storage`: Save settings and data in your browser

## 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 2026-09-27 02:56 UTC; next check around 2026-09-29.

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

## Cite this page

Extension Tracker. “CoAuthor - Amazon Book Research” (iennlafmfjlmpnagoidligobnddejkpa). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/iennlafmfjlmpnagoidligobnddejkpa. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_iennlafmfjlmpnagoidligobnddejkpa,
  title   = {CoAuthor - Amazon Book Research (iennlafmfjlmpnagoidligobnddejkpa)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/iennlafmfjlmpnagoidligobnddejkpa},
  urldate = {2026-09-28}
}
```

---

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