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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 4 users, barely installed.

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
4 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 16 days
unchanged
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
unchanged since 01.09
0-4 · 6 readings
  1. 2026-09-014
  2. 2026-09-030
  3. 2026-09-083
  4. 2026-09-093
  5. 2026-09-134
  6. 2026-09-164
Users
unchanged since 01.09
0-4 · 6 readings
  1. 2026-09-014
  2. 2026-09-030
  3. 2026-09-083
  4. 2026-09-093
  5. 2026-09-134
  6. 2026-09-164

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once 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, 36 users between them.

  1. メルカリ新着アラート ryou · Lifestyle · Shopping · published 2026-05-31 12 users
  2. SUUMO物件比較ツール ryou · Productivity · Tools · published 2026-06-01 8 users
  3. Google フォト一括削除 ryou · Productivity · Tools · published 2026-05-30 5 users
Show 2 more from this publisher
  1. 楽待物件比較ツール ryou · Productivity · Tools · published 2026-06-08 4 users
  2. 案件アラート — CrowdWorks / Lancers 新着通知 ryou · Productivity · Tools · published 2026-08-17 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 9 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 4 users
  4. サクラチェッカー表示 for Amazon.co.jp Describes nearly the same job, smaller audience 844 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.