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eBay Fee Calculator - Final Value Fees & Profit Margin

Chrome extension by 3Dsellers.com · Productivity · Workflow

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Workflow with 1 000 users, a small but real audience.

Specific sites only: 2 match patterns.

What the developer says, and 2 screenshots

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

Users
1 000
Rating
4.3 (9 ratings)
Users, last 18 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
5.3.1
Updated in the store
2026-09-13
Published
2021-10-21
Manifest
V3
Browser access
3 permissions, 2 site patterns

How it has moved

Users
unchanged since 31.08
1k · 2 readings
2026-09-07: released 5.1.02026-09-09: released 5.2.32026-09-14: released 5.3.1
  1. 2026-08-311k
  2. 2026-09-171k
Rating
unchanged since 31.08
reviewsrating 4.33 · 2 readings
2026-09-07: released 5.1.02026-09-09: released 5.2.32026-09-14: released 5.3.1
  1. 2026-08-31reviews9rating4.33
  2. 2026-09-17reviews9rating4.33
Users
unchanged since 31.08
1k · 2 readings
2026-09-07: released 5.1.02026-09-09: released 5.2.32026-09-14: released 5.3.1
  1. 2026-08-311k
  2. 2026-09-171k
Rating
unchanged since 31.08
reviewsrating 4.33 · 2 readings
2026-09-07: released 5.1.02026-09-09: released 5.2.32026-09-14: released 5.3.1
  1. 2026-08-31reviews9rating4.33
  2. 2026-09-17reviews9rating4.33

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: 2 match patterns.

  • https://www.ebay.com/*
  • https://www.ebay.co.uk/*
  • Run its own code on the pages it can access scripting
  • 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

Version history

  1. Version 5.3.1
  2. Version 5.2.3 · Asked for more permissions (5, was 3)
  3. Version 5.1.0 · Asked for more permissions (3, was 0)

What changed recently

  1. Package size changed
  2. Released version 5.3.1 (was 5.2.3)
  3. Package size changed
Show the remaining 9
  1. Asked for more permissions (5, was 3)
  2. Store description rewritten (128 → 125 characters)
  3. Renamed from "eBay Fee Calculator by 3Dsellers" to "eBay Fee Calculator - Final Value Fees & Profit Margin"
  4. Released version 5.2.3 (was 5.1.0)
  5. Package size changed
  6. Asked for more permissions (3, was 0)
  7. Store description rewritten (59 → 128 characters)
  8. Renamed from "eBay Fee Calculator 2022" to "eBay Fee Calculator by 3Dsellers"
  9. Released version 5.1.0 (was 4.3)

The publisher

3Dsellers.com publishes 5 listings we track, 1k users between them. Listed website: 3dsellers.com.

  1. eBay Product Importer - Import Listing From Any Website 3Dsellers.com · Lifestyle · Shopping · published 2026-08-11 122 users ★ 5.0
  2. eBay Product Image Downloader - Bulk Photo Download 3Dsellers.com · Productivity · Tools · published 2026-08-26 41 users ★ 5.0
  3. eBay Sold History - Item Purchase History & Seller Research 3Dsellers.com · Lifestyle · Shopping · published 2026-09-07 25 users ★ 5.0
Show 1 more from this publisher
  1. eBay Order Autofill - Dropshipping Checkout Address Filler 3Dsellers.com · Lifestyle · Shopping · published 2026-08-28 8 users ★ 5.0

Like this one

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

  1. eBay Profit Calculator Describes nearly the same job, smaller audience 9 users
  2. eBay Seller Profit Calculator Describes nearly the same job, smaller audience 3 users (last published figure)
  3. eBay Listing Spy — Seller Analytics & Profit Calculator Describes nearly the same job, smaller audience 23 users
  4. eBay Profit Calculator Describes nearly the same job, smaller audience 59 users
  5. eProfit Tycoon: eBay Profit & Fee Calculator Describes nearly the same job, smaller audience 22 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.