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AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment

Chrome extension by AMZ Prep · Productivity · Workflow

  • Established publisher

A Chrome extension in Productivity · Workflow with 28 users, barely installed. Audience over the last 30 days: +3.

Specific sites only: 12 match patterns.

What the developer says, and 2 screenshots

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

Users
28
Rating
5.0 (2 ratings)
Users, last 30 days
+3
Rating, last 30 days
Steady over 30 days
Version
2.1
Updated in the store
2026-02-18
Published
2024-12-10
Manifest
V3
Browser access
12 site patterns

How it has moved

Users
+3 since 04.10
24-30 · 16 readings
  1. 2026-10-0425
  2. 2026-10-0824
  3. 2026-10-0925
  4. 2026-10-1025
  5. 2026-10-1326
  6. 2026-10-1628
  7. 2026-10-1827
  8. 2026-10-2325
  9. 2026-10-2426
  10. 2026-10-2524
  11. 2026-10-2827
  12. 2026-10-2929
  13. 2026-10-3030
  14. 2026-11-0129
  15. 2026-11-0228
  16. 2026-11-0328
Rating
unchanged since 04.10
reviewsrating 5.00 · 16 readings
  1. 2026-10-04reviews2rating5.00
  2. 2026-10-08reviews2rating5.00
  3. 2026-10-09reviews2rating5.00
  4. 2026-10-10reviews2rating5.00
  5. 2026-10-13reviews2rating5.00
  6. 2026-10-16reviews2rating5.00
  7. 2026-10-18reviews2rating5.00
  8. 2026-10-23reviews2rating5.00
  9. 2026-10-24reviews2rating5.00
  10. 2026-10-25reviews2rating5.00
  11. 2026-10-28reviews2rating5.00
  12. 2026-10-29reviews2rating5.00
  13. 2026-10-30reviews2rating5.00
  14. 2026-11-01reviews2rating5.00
  15. 2026-11-02reviews2rating5.00
  16. 2026-11-03reviews2rating5.00
Users
-2 since 01.09
24-31 · 28 readings
  1. 2026-09-0130
  2. 2026-09-0329
  3. 2026-09-0631
  4. 2026-09-0729
  5. 2026-09-0828
  6. 2026-09-1025
  7. 2026-09-1327
  8. 2026-09-1530
  9. 2026-09-2129
  10. 2026-09-2527
  11. 2026-09-2630
  12. 2026-09-2829
  13. 2026-10-0425
  14. 2026-10-0824
  15. 2026-10-0925
  16. 2026-10-1025
  17. 2026-10-1326
  18. 2026-10-1628
  19. 2026-10-1827
  20. 2026-10-2325
  21. 2026-10-2426
  22. 2026-10-2524
  23. 2026-10-2827
  24. 2026-10-2929
  25. 2026-10-3030
  26. 2026-11-0129
  27. 2026-11-0228
  28. 2026-11-0328
Rating
unchanged since 01.09
reviewsrating 5.00 · 28 readings
  1. 2026-09-01reviews2rating5.00
  2. 2026-09-03reviews2rating5.00
  3. 2026-09-06reviews2rating5.00
  4. 2026-09-07reviews2rating5.00
  5. 2026-09-08reviews2rating5.00
  6. 2026-09-10reviews2rating5.00
  7. 2026-09-13reviews2rating5.00
  8. 2026-09-15reviews2rating5.00
  9. 2026-09-21reviews2rating5.00
  10. 2026-09-25reviews2rating5.00
  11. 2026-09-26reviews2rating5.00
  12. 2026-09-28reviews2rating5.00
  13. 2026-10-04reviews2rating5.00
  14. 2026-10-08reviews2rating5.00
  15. 2026-10-09reviews2rating5.00
  16. 2026-10-10reviews2rating5.00
  17. 2026-10-13reviews2rating5.00
  18. 2026-10-16reviews2rating5.00
  19. 2026-10-18reviews2rating5.00
  20. 2026-10-23reviews2rating5.00
  21. 2026-10-24reviews2rating5.00
  22. 2026-10-25reviews2rating5.00
  23. 2026-10-28reviews2rating5.00
  24. 2026-10-29reviews2rating5.00
  25. 2026-10-30reviews2rating5.00
  26. 2026-11-01reviews2rating5.00
  27. 2026-11-02reviews2rating5.00
  28. 2026-11-03reviews2rating5.00

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: 12 match patterns.

  • *://*.amazon.com/*
  • *://*.amazon.co.uk/*
  • *://*.amazon.ca/*
Show the remaining 9
  • *://*.amazon.de/*
  • *://*.amazon.fr/*
  • *://*.amazon.es/*
  • *://*.amazon.it/*
  • *://*.amazon.co.jp/*
  • *://*.amazon.in/*
  • *://*.amazon.com.mx/*
  • *://*.amazon.com.br/*
  • *://*.amazon.com.au/*

We have not read this listing's manifest since we started keeping permission names. The counts above come from the last time we did.

The full permission history for this extension

What changed recently

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

The publisher

AMZ Prep publishes 5 listings we track, 1k users between them. Listed website: amzprep.com.

  1. Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer AMZ Prep · Productivity · Tools · published 2024-12-21 777 users ★ 5.0
  2. Amazon & Shopify Data Exporter - AMZ Prep Global 3PL AMZ Prep · Productivity · Tools · published 2025-08-26 260 users ★ 5.0
  3. Amazon Keyword Index Checker & Rank Tracker AMZ Prep · Productivity · Workflow · published 2025-12-06 152 users ★ 5.0
Show 1 more from this publisher
  1. FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep AMZ Prep · Productivity · Tools · published 2025-06-10 96 users

Like this one

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

  1. FBA Profit Calculator — NetMargin Describes nearly the same job, smaller audience 3 users (last published figure)
  2. AMZCalc - FBA & Inbound Fee Calculator Describes nearly the same job, smaller audience 4 users
  3. FBA Prep Checker - Avoid Defect Fees Describes nearly the same job, smaller audience 5 users
  4. Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer Describes nearly the same job, smaller audience 777 users ★ 5.0
  5. FBA Profit Calculator - Prep Fees & Shipping Describes nearly the same job, smaller audience 7 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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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 2026-11-02. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built