Finance Tools CATools for people who sell online

See what a sale actually pays you, while you are looking at it

Marketplace fees are spread across three lines of a help page. Fee Truth puts the whole sum on the listing you are already reading: fees, shipping, your cost and the real margin — live, on the page.

Buyer pays$24.99
Marketplace fees-$6.57 (26.3%)
Shipping + item cost-$10.00
You keep$8.42
Margin33.68%
Break-even price$13.84

What it does

What it does not do

It does not automate the marketplace, does not scrape behind a login, does not bulk-edit your shop, and does not send your data anywhere. It is arithmetic on numbers already on your screen, done in your own browser.

Fee Truth extension — free

Install it, set your costs once, and every listing you open tells you the truth. A paid tier with saved profiles and export is planned; the free version stays free.

Install from the Chrome Web Store

Listing goes live shortly — the store review takes a few days.

Pro — US$24, one time: saved profiles for several marketplaces, CSV export, and bulk break-even across a page of results. Licence key, no subscription.

Get Fee Truth Pro

Who it is for

Anyone selling on a marketplace where fees come off the top: handmade sellers, resellers, print-on-demand shops and small brands. If you have ever finished a month and wondered where the money went, this answers it one listing at a time.

Why the numbers are yours, not ours

Fee percentages change, and they differ by country and category. The extension ships with published rates as a starting point and asks you to confirm them in your own seller handbook — then it does the arithmetic exactly as you set it. No hidden assumptions, no guesses dressed as facts.