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国産信頼度チェッカー — Amazonの出品者が日本の会社か確認

Chrome extension by ryou · Lifestyle · Shopping

A Chrome extension in Lifestyle · Shopping with 3 users, barely installed. Audience over the last 30 days: -2.

Specific sites only: 3 match patterns.

What the developer says, and 2 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
3 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 30 days
-2
Version
1.0.1
Updated in the store
2026-08-19
Published
2026-08-18
Manifest
V3
Browser access
1 permission, 3 site patterns

How it has moved

Users
-2 since 06.10
3-5 · 6 readings
  1. 2026-10-103
  2. 2026-10-134
  3. 2026-10-163
  4. 2026-10-184
  5. 2026-10-243
  6. 2026-11-053
Users
-1 since 01.09
0-5 · 14 readings
  1. 2026-09-014
  2. 2026-09-030
  3. 2026-09-083
  4. 2026-09-093
  5. 2026-09-134
  6. 2026-09-203
  7. 2026-09-214
  8. 2026-09-285
  9. 2026-10-103
  10. 2026-10-134
  11. 2026-10-163
  12. 2026-10-184
  13. 2026-10-243
  14. 2026-11-053

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 3 match patterns.

  • *://*.amazon.co.jp/*
  • https://api.gumroad.com/*
  • https://houjin.aiunyoulabo.com/*
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

ryou publishes 6 listings we track, 57 users between them.

  1. メルカリ新着アラート ryou · Lifestyle · Shopping · published 2026-05-31 22 users
  2. SUUMO物件比較ツール ryou · Productivity · Tools · published 2026-06-01 15 users
  3. Google フォト一括削除 ryou · Productivity · Tools · published 2026-05-30 8 users
Show 2 more from this publisher
  1. 案件アラート — CrowdWorks / Lancers 新着通知 ryou · Productivity · Tools · published 2026-08-17 6 users (last published figure)
  2. 楽待物件比較ツール ryou · Productivity · Tools · published 2026-06-08 3 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. 販売元チェッカー for Amazon Describes nearly the same job, smaller audience 10 users
  2. Amazon Seller Checker Describes nearly the same job, smaller audience 4 users
  3. Origin Disclosure for Amazon Describes nearly the same job, smaller audience 3 users
  4. サクラチェッカー表示 for Amazon.co.jp Describes nearly the same job, smaller audience 1k users ★ 5.0
  5. COO Finder Describes nearly the same job, smaller audience 4 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/pnbkgdpcbhoehcclngbobenjmgliided/badge.svg)](https://extops.dev/extensions/pnbkgdpcbhoehcclngbobenjmgliided)

HTML

<a href="https://extops.dev/extensions/pnbkgdpcbhoehcclngbobenjmgliided"><img src="https://extops.dev/extensions/pnbkgdpcbhoehcclngbobenjmgliided/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-24. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built