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メルカリ超かんたん計算機

Chrome extension by NRS systems · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 81 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 1 screenshot

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

Users
81
Rating
not rated yet
Users, last 16 days
+6
Version
0.0.3
Updated in the store
2023-03-03
Published
2023-03-03
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+6 since 31.08
75-81 · 8 readings
  1. 2026-08-3175
  2. 2026-09-0277
  3. 2026-09-0679
  4. 2026-09-0775
  5. 2026-09-0878
  6. 2026-09-1077
  7. 2026-09-1379
  8. 2026-09-1581
Users
+6 since 31.08
75-81 · 8 readings
  1. 2026-08-3175
  2. 2026-09-0277
  3. 2026-09-0679
  4. 2026-09-0775
  5. 2026-09-0878
  6. 2026-09-1077
  7. 2026-09-1379
  8. 2026-09-1581

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: 2 match patterns.

  • https://jp.mercari.com/
  • http://sedorifever.xyz/
  • Show you notifications notifications
  • 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

NRS systems publishes 4 listings we track, 284 users between them. Listed website: sedorifever.xyz.

  1. Amazon商標権チェッカー NRS systems · Productivity · Workflow · published 2022-09-27 175 users
  2. ヤフーショッピング計算機(税抜対応ver) NRS systems · Productivity · Workflow · published 2022-12-26 14 users ★ 5.0
  3. 楽天「税抜」計算機 NRS systems · Productivity · Workflow · published 2022-10-12 14 users

Like this one

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

  1. MercariPricer - Smart Pricing for Sellers Describes nearly the same job, smaller audience 6 users
  2. Product Relister for Mercari Describes nearly the same job, smaller audience 1k users ★ 4.7
  3. MercariPro - Smart Seller Tools Describes nearly the same job, smaller audience 2 users
  4. Mercari Sales Exporter Describes nearly the same job, smaller audience 107 users
  5. HanBai Pro - Calculadora de Ganancias MercadoLibre Describes nearly the same job, smaller audience 13 users ★ 5.0

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.

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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.