---
title: "EC Catcher 楽天・Amazon・Yahoo! 商品分析 在庫・売上推論 アナライザー – Chrome extension stats, history and permissions"
description: "142 users, rated 5.00 by 1 person. Version 1.7.6, updated 2026-09-20. Requests 19 permissions."
url: "https://extensiontracker.com/extension/lmlfmciiihiddjahjcpeligokonagaae"
---

# EC Catcher 楽天・Amazon・Yahoo! 商品分析 在庫・売上推論 アナライザー

Live in the Chrome Web Store.

- Users: 142
- Rating: 5.00 from 1 rating
- Last checked: 2026-09-27 05:09 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #57,468 of 264,703 live extensions
- Rank in Shopping: #1,801 of 8,433

## The listing

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

Summary from the listing:

> 3モール横断で商品価格、商品在庫、売れ行き推論、訴求変化、レビューをECエージェント。楽天・Amazon・Yahoo!の商品解析

- Extension ID: `lmlfmciiihiddjahjcpeligokonagaae`
- Developer: [aicon-corp](https://extensiontracker.com/developer/u78f6d2aa3312c7fcd47b9ef86e4fe81a)
- Trader status: Declared a trader under EU law
- Category: [Lifestyle › Shopping](https://extensiontracker.com/category/lifestyle/shopping)
- First published: 2026-03-03
- Last updated: 2026-09-20
- Version: `1.7.6`
- Size: 357 KiB
- Minimum Chrome: 88
- Languages (1): 日本語
- Website: `https://ec-catcher.com/`
- Support page: `https://ec-catcher.com/privacy`
- Chrome Web Store: <https://chromewebstore.google.com/detail/ec-catcher-%E6%A5%BD%E5%A4%A9%E3%83%BBamazon%E3%83%BByaho/lmlfmciiihiddjahjcpeligokonagaae>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Flmlfmciiihiddjahjcpeligokonagaae>

## Users over time

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

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 142 | 5.00 | 1 |

## 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://api.ec-catcher.com/*`: api.ec-catcher.com
- `https://biccamera.rakuten.co.jp/*`: biccamera.rakuten.co.jp
- `https://books.rakuten.co.jp/*`: books.rakuten.co.jp
- `https://brandavenue.rakuten.co.jp/*`: brandavenue.rakuten.co.jp
- `https://extensionpay.com/*`: extensionpay.com
- `https://item.rakuten.co.jp/*`: item.rakuten.co.jp
- `https://search.rakuten.co.jp/*`: search.rakuten.co.jp
- `https://shopping.yahoo.co.jp/*`: shopping.yahoo.co.jp
- `https://store.shopping.yahoo.co.jp/*`: store.shopping.yahoo.co.jp
- `https://www.amazon.co.jp/*`: www.amazon.co.jp
- `https://www.rakuten.co.jp/*`: www.rakuten.co.jp

### Sites where it runs scripts

- `https://biccamera.rakuten.co.jp/*`: biccamera.rakuten.co.jp
- `https://books.rakuten.co.jp/*`: books.rakuten.co.jp
- `https://brandavenue.rakuten.co.jp/*`: brandavenue.rakuten.co.jp
- `https://extensionpay.com/*`: extensionpay.com
- `https://item.rakuten.co.jp/*`: item.rakuten.co.jp
- `https://search.rakuten.co.jp/*`: search.rakuten.co.jp
- `https://shopping.yahoo.co.jp/*`: shopping.yahoo.co.jp
- `https://store.shopping.yahoo.co.jp/*`: store.shopping.yahoo.co.jp
- `https://www.amazon.co.jp/*`: www.amazon.co.jp

### Browser features

- `activeTab`: The tab you're on, only after you click the extension
- `alarms`: Run tasks on a schedule
- `contextMenus`: Add items to the right-click menu
- `scripting`: Run scripts on sites it can reach
- `sidePanel`: Show a side panel
- `storage`: Save settings and data in your browser
- `tabs`: Read the addresses and titles of your tabs
- `unlimitedStorage`: Store more data than the usual limit

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [EC Tracking 楽天・Amazon・Yahoo! 検索順位 ランキング サジェスト トラッカー](https://extensiontracker.com/extension/gpdjgbfcgdndfnnchkmmepdmfmjkcelm) | 86 | 5.00 | 1 | Shopping |
| [EC Mobile Viewer 楽天・Amazon・Yahoo!・auPAY キャプチャーモバイルビューワー](https://extensiontracker.com/extension/hbcdcjghpigdjbpiilbmjkhggneonpjk) | 27 | – | – | Shopping |
| [EC Scope 楽天・Yahoo! SEO/AIO 商品最適化・構造Visualizer](https://extensiontracker.com/extension/aeicdbcgegffkmacjdmanbloeceoifce) | 23 | – | – | Shopping |

All 4 extensions by [aicon-corp](https://extensiontracker.com/developer/u78f6d2aa3312c7fcd47b9ef86e4fe81a).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 05:09 UTC; next check around 2026-10-08.

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

## Cite this page

Extension Tracker. “EC Catcher 楽天・Amazon・Yahoo! 商品分析 在庫・売上推論 アナライザー” (lmlfmciiihiddjahjcpeligokonagaae). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/lmlfmciiihiddjahjcpeligokonagaae. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_lmlfmciiihiddjahjcpeligokonagaae,
  title   = {EC Catcher 楽天・Amazon・Yahoo! 商品分析 在庫・売上推論 アナライザー (lmlfmciiihiddjahjcpeligokonagaae)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/lmlfmciiihiddjahjcpeligokonagaae},
  urldate = {2026-09-28}
}
```

---

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