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Margin Seller: Amazon & Walmart Profit Calculator

Chrome extension by kimaoya11 · Lifestyle · Shopping

  • Established publisher

A Chrome extension in Lifestyle · Shopping with 4 users, barely installed. Audience over the last 30 days: +1.

Specific sites only: 10 match patterns.

What the developer says, and 5 screenshots

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

Users
4
Rating
not rated yet
Users, last 30 days
+1
Version
0.3.10
Updated in the store
2026-10-26
Published
2026-09-12
Manifest
V3
Browser access
5 permissions, 10 site patterns

How it has moved

Users
+1 since 30.09
3-4 · 6 readings
2026-10-05: released 0.3.12026-10-15: released 0.3.22026-10-15: gained the good publisher record badge2026-10-18: released 0.3.3.62026-10-22: released 0.3.92026-10-26: released 0.3.10
  1. 2026-10-094
  2. 2026-10-103
  3. 2026-10-253
  4. 2026-10-284
  5. 2026-10-293
  6. 2026-10-304
Users
+4 since 13.09
0-4 · 10 readings
2026-09-13: appeared in the store2026-09-18: released 0.2.12026-10-05: released 0.3.12026-10-15: released 0.3.22026-10-15: gained the good publisher record badge2026-10-18: released 0.3.3.62026-10-22: released 0.3.92026-10-26: released 0.3.10
  1. 2026-09-130appeared in the store
  2. 2026-09-151
  3. 2026-09-204
  4. 2026-09-273
  5. 2026-10-094
  6. 2026-10-103
  7. 2026-10-253
  8. 2026-10-284
  9. 2026-10-293
  10. 2026-10-304

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: 10 match patterns.

  • https://www.walmart.com/*
  • https://walmart.com/*
  • https://www.walmart.ca/*
Show the remaining 7
  • https://walmart.ca/*
  • https://www.amazon.com/*
  • https://amazon.com/*
  • https://www.amazon.ca/*
  • https://amazon.ca/*
  • https://margin-seller.replit.app/*
  • https://marginseller.com/*
Show the remaining 2

The full permission history for this extension

Version history

  1. Version 0.3.10 · Asked for more permissions (15, was 13) (changed: browser permissions)
  2. Version 0.3.9
  3. Version 0.3.3.6 · Asked for fewer permissions (13, was 23) (changed: site access)
Show the remaining 2
  1. Version 0.3.2 · Asked for more permissions (23, was 22) (changed: site access, sites that can connect to it)
  2. Version 0.3.1 · Asked for more permissions (22, was 10)

What changed recently

  1. Package size changed
  2. Asked for more permissions (15, was 13) (changed: browser permissions)
  3. Store description rewritten (132 → 129 characters)
Show the remaining 9
  1. Renamed from "Margin Seller: Profit, Margin & Buy Signal for Amazon and Walmart Sellers" to "Margin Seller: Amazon & Walmart Profit Calculator"
  2. Released version 0.3.10 (was 0.3.9)
  3. Package size changed
  4. Released version 0.3.9 (was 0.3.3.6)
  5. Package size changed
  6. Asked for fewer permissions (13, was 23) (changed: site access)
  7. Store description rewritten
  8. Released version 0.3.3.6 (was 0.3.2)
  9. Package size changed

Older entries and the full day by day series are in the app.

The publisher

kimaoya11 publishes 3 listings we track, 12 users between them. Listed website: marginseller.com.

  1. LedgerMatch – Bank Reconciliation for QuickBooks kimaoya11 · Productivity · Workflow · published 2026-08-07 5 users
  2. TabBridge – Listing Tool for Shopify, eBay, Walmart, TikTok Sellers kimaoya11 · Productivity · Tools · published 2026-09-22 3 users (last published figure)

Like this one

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

  1. SellerUtility: Amazon FBA Calculator & Walmart Profit Tool Describes nearly the same job, smaller audience 5 users
  2. SellPulse - Amazon FBA & Walmart Profit Analyzer Describes nearly the same job, smaller audience 6 users
  3. Margenos: Walmart Seller Tool & Profit Calculator Describes nearly the same job, smaller audience 15 users ★ 5.0
  4. Coalition Solutions Describes nearly the same job, smaller audience 31 users
  5. Plug Seller: Profit Analyzer Describes nearly the same job, smaller audience 436 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.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built