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FBA Prep Checker - Avoid Defect Fees

Chrome extension by FBA Prep Checker · Productivity · Tools

A Chrome extension in Productivity · Tools with 5 users, barely installed. Audience over the last 30 days: unchanged.

Specific sites only: 6 match patterns.

What the developer says, and 3 screenshots

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

Users
5
Rating
not rated yet
Users, last 30 days
Unchanged
Version
1.0.0
Updated in the store
2026-03-29
Published
2026-03-29
Manifest
V3
Browser access
2 permissions, 6 site patterns

How it has moved

Users
unchanged since 07.10
4-6 · 12 readings
  1. 2026-10-096
  2. 2026-10-105
  3. 2026-10-134
  4. 2026-10-185
  5. 2026-10-194
  6. 2026-10-215
  7. 2026-10-224
  8. 2026-10-245
  9. 2026-10-254
  10. 2026-10-295
  11. 2026-11-015
  12. 2026-11-055
Users
unchanged since 01.09
4-6 · 22 readings
  1. 2026-09-015
  2. 2026-09-036
  3. 2026-09-055
  4. 2026-09-065
  5. 2026-09-086
  6. 2026-09-095
  7. 2026-09-156
  8. 2026-09-215
  9. 2026-09-254
  10. 2026-09-265
  11. 2026-10-096
  12. 2026-10-105
  13. 2026-10-134
  14. 2026-10-185
  15. 2026-10-194
  16. 2026-10-215
  17. 2026-10-224
  18. 2026-10-245
  19. 2026-10-254
  20. 2026-10-295
  21. 2026-11-015
  22. 2026-11-055

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: 6 match patterns.

  • https://www.amazon.com/*
  • https://www.amazon.co.uk/*
  • https://www.amazon.de/*
Show the remaining 3
  • https://www.amazon.ca/*
  • https://sellercentral.amazon.com/*
  • https://fba-prep-checker-web.vercel.app/*
  • See the address and title of every tab you have open tabs
  • 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

FBA Prep Checker.

Like this one

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

  1. FlipIQ Batch — Amazon FBA/FBM Analyzer Describes nearly the same job, smaller audience 15 users
  2. FBA Profit Calculator - Prep Fees & Shipping Describes nearly the same job, smaller audience 7 users (last published figure)
  3. Éxito con FBA - ROI Scanner Describes nearly the same job, smaller audience 27 users
  4. Amazon FBA Profit Lens Describes nearly the same job, smaller audience 17 users
  5. FBA Profit Calculator Describes nearly the same job, smaller audience 2 users (last published figure)

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

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/icckhokkbnnaaanddmgihmfeifcebijo/badge.svg)](https://extops.dev/extensions/icckhokkbnnaaanddmgihmfeifcebijo)

HTML

<a href="https://extops.dev/extensions/icckhokkbnnaaanddmgihmfeifcebijo"><img src="https://extops.dev/extensions/icckhokkbnnaaanddmgihmfeifcebijo/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built