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Tools for online sellers on Amazon, Etsy, eBay & Shopify

Fees, payouts and profit for Amazon FBA, Etsy, eBay, Shopify and TikTok Shop sales, with ad reports, listing checks, product feeds and a store of your own.

35 tools
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Finding out what a marketplace sale really leaves you

For anyone selling on Amazon, Etsy, eBay, Shopify, WooCommerce or TikTok Shop, or through a WhatsApp store of their own: what each platform keeps from a sale, what the settlement and advertising reports say about profit, whether a listing or a product file will pass the marketplace’s checks, and when sales into another state or country call for a tax registration.

How to choose

Start from the question you are asking:

Before you source or list a product: Amazon FBA Calculator for an amazon.com sale, Etsy Fee Calculator, Fee Calculator for eBay, Shopify Fee Calculator and TikTok Shop Seller Fee & Profit Calculator, each with its own platform’s fee rules.
Once the sales are in: Amazon Seller Profit Analyzer reads settlement and transaction reports month by month and SKU by SKU, and Shopify & WooCommerce Order Profit Analyzer does the same from a store’s order export with your costs and ad spend.
Advertising: Amazon PPC Search Term Report Analyzer finds spend that sold nothing and search terms worth adding as keywords; Marketplace Ads Profitability Analyzer sets each campaign against your margin.
Listings and product files: Amazon Listing Checker, Etsy Listing Checker, Google Merchant Center Feed Validator and the Shopify and WooCommerce product CSV builders.
Money Amazon may owe you: FBA Fee Overcharge Finder and Amazon FBA Reimbursement Finder.
Tax across borders: Sales Tax Nexus Checker measures your sales against the published registration thresholds.

The fee calculators start from the rates each platform publishes, and platforms revise them from time to time: check the figures against your seller account before you set a price.

The main tools, compared

Tool	When to pick it	What you give it	What you get	Works offline	Stays on your device
Amazon FBA Calculator (US): Fees, Profit & ROI Premium tool	Adds up every FBA fee on an amazon.com sale from the size tier, weight and price, then shows profit, ROI, the break-even price and the most a unit can cost you.	Numbers	Free preview: the Amazon fees per unit in full, with the first rows of each table and the first step of the working; every other figure is hidden	Yes	Yes
Etsy Fee Calculator: Fees, Profit & Price Pro tool	Sets the charges that apply to a shop banking in your country, from the listing fee to payment processing, and shows the payout and the profit each sale leaves after your costs.	Numbers	Free preview: your payout after Etsy fees in full, with the first rows of each table and the first step of the working; every other figure is hidden	Yes	Yes
Amazon Seller Profit Analyzer Ultimate tool	Works out profit for each month and each SKU from Amazon’s transaction or settlement reports, and matches every payout to your bank so a missing transfer stands out.	Text	Free preview: the months, SKUs and payouts found in your reports and the first rows of each table (up to 10), with every amount hidden	No	Yes
Amazon PPC Search Term Report Analyzer Ultimate tool	Sorts a search term report into wasted spend, negative keyword candidates, word groups that never convert and terms to harvest, with a starting bid for each.	Spreadsheet or CSV	Free preview: every count in full, with the first rows of each list (up to 10): negatives, word groups, terms to harvest and ASINs	No	Yes
Amazon Listing Checker (title, bullets, description, backend keywords) Premium tool	Holds a title, bullets, description and backend search terms against the store’s published limits and words, and offers a cleaned version of each field.	Text	Free preview: every count of the check, with the first findings of each field (a single finding with its message hidden) and the first words of each cleaned version	Yes	Yes
FBA Fee Overcharge Finder (US): Size Tier and Weight Errors Ultimate tool	Compares the size tier and weight Amazon charged for each SKU with your own measurements and totals what may be owed, case by case, for you to claim.	Nothing — start blank	Free preview: every sku checked, the total that may be owed and the counts by fee type, with the first cases (up to 10)	No	Yes
Online Store Builder (WhatsApp Orders, UPI & Payment-Link Checkout) Premium tool	Turns a product sheet into a store with search, a cart and checkout, where orders arrive on WhatsApp or by e-mail and shoppers in India can pay by UPI.	Nothing — start blank	Free preview: the whole store working in the live preview with test orders under a MySmartCoPilot mark, the list of its files and the first lines of its first pages	Yes	Yes
Shopify Fee Calculator: Plan, Payments & Transaction Fees Pro tool	Compares Shopify’s plans at your monthly sales, payment fees included, and shows the sales level at which a bigger plan starts to cost less.	Numbers	Free preview: the monthly cost of the cheapest plan in full, with the first rows of each table and the first step of the working; every other figure is hidden	Yes	Yes

Worked example: what a kitchen product at $24.99 earns through FBA

A kitchen product sells for $24.99 on amazon.com. It measures 9 × 6 × 3 inches, weighs 1.1 lb and costs $6.00 to buy, with $0.60 to ship it in, $0.20 of prep and $2.50 of ads a unit.

Amazon’s fees per unit: a referral fee of $3.75, fulfilment of $5.04, a surcharge of $0.18 and a month of storage at $0.07, so $9.04 in all.
After those fees and your own $9.30 of costs, the unit leaves $6.65.
That is a return of 97.8 % on the $6.80 you put into the product, shipping and prep.
Below a price of $17.16 the sale stops paying for itself, and to keep a 50 % return the product may cost at most $8.16.

Questions

Are the marketplace fees in these calculators always current?

They follow each platform’s published rates as transcribed into the calculator, and platforms change their fees from time to time. Compare a calculator’s preset with your own seller account and replace any rate that has moved.

Which tool shows the profit I actually made on Amazon last month?

The Amazon Seller Profit Analyzer. It reads the date range transaction report or the settlement files you download from Seller Central and splits sales, fees, refunds and ads by month and SKU.

Do I need to register for sales tax in another state or country?

The nexus checker measures your sales against the published thresholds and links each official page, but physical presence such as stock in a fulfilment centre creates a duty too. Confirm with the tax authority or an adviser.

Can I take orders without Shopify or a marketplace?

Yes. The online store builder turns a product sheet into a store with a cart and checkout; orders reach you on WhatsApp or by e-mail. It shows how to pay, UPI included, but does not take card payments itself.

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Etsy sellers

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Convert & extract

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Store Product CSV Converter Pro tool

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