---
title: "AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment – Chrome extension stats, history and permissions"
description: "30 users, rated 5.00 by 2 people. Version 2.1, updated 2026-02-18. Requests 12 permissions."
url: "https://extensiontracker.com/extension/ecehmmikamdekododgoihhkfbbbkbieo"
---

# AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment

Live in the Chrome Web Store.

- Users: 30
- Rating: 5.00 from 2 ratings
- Last checked: 2026-09-27 00:16 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #102,205 of 264,703 live extensions
- Rank in Workflow & Planning: #19,737 of 44,474

## The listing

What the Chrome Web Store shows, as of the last check.

Summary from the listing:

> Calculate Amazon MCF fees vs AMZ Prep. Save 30% on fulfillment, eliminate placement fees. Trusted by 500+ brands.

- Extension ID: `ecehmmikamdekododgoihhkfbbbkbieo`
- Developer: [AMZ Prep](https://extensiontracker.com/developer/u2642f4f82f4d9e192d67c4b9e01f8bc1)
- Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow)
- First published: 2024-12-10
- Last updated: 2026-02-18
- Version: `2.1`
- Size: 52.52 KiB
- Minimum Chrome: 88
- Languages (1): English
- Website: `amzprep.com`
- Support page: `https://amzprep.com/contact-us/`
- Chrome Web Store: <https://chromewebstore.google.com/detail/amz-prep-mcf-calculator-s/ecehmmikamdekododgoihhkfbbbkbieo>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fecehmmikamdekododgoihhkfbbbkbieo>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 30 | 5.00 | 2 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Sites

- `*://*.amazon.ca/*`: amazon.ca and its subdomains
- `*://*.amazon.co.jp/*`: amazon.co.jp and its subdomains
- `*://*.amazon.co.uk/*`: amazon.co.uk and its subdomains
- `*://*.amazon.com.au/*`: amazon.com.au and its subdomains
- `*://*.amazon.com.br/*`: amazon.com.br and its subdomains
- `*://*.amazon.com.mx/*`: amazon.com.mx and its subdomains
- `*://*.amazon.com/*`: amazon.com and its subdomains
- `*://*.amazon.de/*`: amazon.de and its subdomains
- `*://*.amazon.es/*`: amazon.es and its subdomains
- `*://*.amazon.fr/*`: amazon.fr and its subdomains
- `*://*.amazon.in/*`: amazon.in and its subdomains
- `*://*.amazon.it/*`: amazon.it and its subdomains

### Sites where it runs scripts

- `*://*.amazon.ca/*`: amazon.ca and its subdomains
- `*://*.amazon.co.jp/*`: amazon.co.jp and its subdomains
- `*://*.amazon.co.uk/*`: amazon.co.uk and its subdomains
- `*://*.amazon.com.au/*`: amazon.com.au and its subdomains
- `*://*.amazon.com.br/*`: amazon.com.br and its subdomains
- `*://*.amazon.com.mx/*`: amazon.com.mx and its subdomains
- `*://*.amazon.com/*`: amazon.com and its subdomains
- `*://*.amazon.de/*`: amazon.de and its subdomains
- `*://*.amazon.es/*`: amazon.es and its subdomains
- `*://*.amazon.fr/*`: amazon.fr and its subdomains
- `*://*.amazon.in/*`: amazon.in and its subdomains
- `*://*.amazon.it/*`: amazon.it and its subdomains

## More from this developer

Other extensions from the same publisher account.

| Extension | Users | Rating | Ratings | Category |
| --- | ---: | ---: | ---: | --- |
| [Amazon FBA Calculator & Seller Tools – Free Profit, BSR & Fee Analyzer](https://extensiontracker.com/extension/jeagncgedjikmcedfeipkmhkdanlebhn) | 698 | 5.00 | 5 | Tools |
| [Amazon & Shopify Data Exporter - AMZ Prep Global 3PL](https://extensiontracker.com/extension/kabakoogiaelefofgodbahmnlhifhlgo) | 241 | 5.00 | 25 | Tools |
| [Amazon Keyword Index Checker & Rank Tracker](https://extensiontracker.com/extension/idpemmgilcnldpkjaakljejajdggncke) | 147 | 5.00 | 1 | Workflow & Planning |
| [FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep](https://extensiontracker.com/extension/bbhapomfahpdplbjpnjgbgfffcakibgm) | 84 | – | – | Tools |

All 5 extensions by [AMZ Prep](https://extensiontracker.com/developer/u2642f4f82f4d9e192d67c4b9e01f8bc1).

## About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 2026-09-27 00:16 UTC; next check around 2026-10-06.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment” (ecehmmikamdekododgoihhkfbbbkbieo). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ecehmmikamdekododgoihhkfbbbkbieo. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_ecehmmikamdekododgoihhkfbbbkbieo,
  title   = {AMZ Prep MCF Calculator - Save 30% on Amazon Fulfillment (ecehmmikamdekododgoihhkfbbbkbieo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ecehmmikamdekododgoihhkfbbbkbieo},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/ecehmmikamdekododgoihhkfbbbkbieo>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.