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Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer

Chrome extension by AMZ Prep · Productivity · Tools

  • Established publisher

A Chrome extension in Productivity · Tools with 653 users, barely installed.

Specific sites only: 20 match patterns.

What the developer says, and 5 screenshots

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

Users
653
Rating
5.0 (5 ratings)
Users, last 17 days
+71
Rating, last 30 days
Not watched long enough to say
Version
2.0.0
Updated in the store
2026-02-07
Published
2024-12-21
Manifest
V3
Browser access
2 permissions, 20 site patterns

How it has moved

Users
+71 since 31.08
582-663 · 11 readings
  1. 2026-08-31582
  2. 2026-09-02591
  3. 2026-09-04611
  4. 2026-09-05626
  5. 2026-09-06627
  6. 2026-09-07632
  7. 2026-09-08648
  8. 2026-09-09663
  9. 2026-09-13650
  10. 2026-09-15653
  11. 2026-09-16653
Rating
unchanged since 31.08
reviewsrating 5.00 · 11 readings
  1. 2026-08-31reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-05reviews5rating5.00
  5. 2026-09-06reviews5rating5.00
  6. 2026-09-07reviews5rating5.00
  7. 2026-09-08reviews5rating5.00
  8. 2026-09-09reviews5rating5.00
  9. 2026-09-13reviews5rating5.00
  10. 2026-09-15reviews5rating5.00
  11. 2026-09-16reviews5rating5.00
Users
+71 since 31.08
582-663 · 11 readings
  1. 2026-08-31582
  2. 2026-09-02591
  3. 2026-09-04611
  4. 2026-09-05626
  5. 2026-09-06627
  6. 2026-09-07632
  7. 2026-09-08648
  8. 2026-09-09663
  9. 2026-09-13650
  10. 2026-09-15653
  11. 2026-09-16653
Rating
unchanged since 31.08
reviewsrating 5.00 · 11 readings
  1. 2026-08-31reviews5rating5.00
  2. 2026-09-02reviews5rating5.00
  3. 2026-09-04reviews5rating5.00
  4. 2026-09-05reviews5rating5.00
  5. 2026-09-06reviews5rating5.00
  6. 2026-09-07reviews5rating5.00
  7. 2026-09-08reviews5rating5.00
  8. 2026-09-09reviews5rating5.00
  9. 2026-09-13reviews5rating5.00
  10. 2026-09-15reviews5rating5.00
  11. 2026-09-16reviews5rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing 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: 20 match patterns.

  • *://*.amazon.com/*
  • *://*.amazon.co.uk/*
  • *://*.amazon.ca/*
Show the remaining 9
  • *://*.amazon.de/*
  • *://*.amazon.fr/*
  • *://*.amazon.it/*
  • *://*.amazon.es/*
  • *://*.amazon.co.jp/*
  • *://*.amazon.com.au/*
  • *://*.amazon.in/*
  • *://*.amazon.com.mx/*
  • *://*.amazon.com.br/*
  • Act on the current tab, but only after you click it activeTab
  • 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

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

  1. Amazon & Shopify Data Exporter - AMZ Prep Global 3PL AMZ Prep · Productivity · Tools · published 2025-08-26 218 users ★ 5.0
  2. Amazon Keyword Index Checker & Rank Tracker AMZ Prep · Productivity · Workflow · published 2025-12-06 128 users ★ 5.0
  3. FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep AMZ Prep · Productivity · Tools · published 2025-06-10 90 users
Show 1 more from this publisher
  1. AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment AMZ Prep · Productivity · Workflow · published 2024-12-10 30 users ★ 5.0

Like this one

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

  1. Amazon FBA Profit Analyzer by Sequence Commerce Describes nearly the same job, smaller audience 14 users
  2. FBA Profit Calculator - Prep Fees & Shipping Describes nearly the same job, smaller audience 10 users
  3. SellerTool - Amazon FBA Rechner & Sourcing Describes nearly the same job, smaller audience 213 users
  4. SellerVault - Amazon FBA Deal Analyzer Describes nearly the same job, smaller audience 7 users
  5. AmazonScout - Product Research & FBA Calculator Describes nearly the same job, smaller audience 21 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.