The FBA profit calculator, on every Amazon page.
Install the extension and every Amazon product page gets the full calculator beside it: fees, eligibility, offers and price history, signed in as you.
It rides along while you browse.
Docks or floats
Pin the panel to either side and Amazon shifts over to make room, or let it float and drag it anywhere.
Follows the page
Click through to another product and the panel re-runs on the new ASIN. Search results get a launcher on every tile.
Reads the listing
The sale price arrives pre-filled from the page you're on. Your cost is the only number left to type.
Same app, signed in
The same calculator you use at app.stealthseller.co, with the same settings, history and folders.
Arrange it your way
Reorder the sections and hide the ones you never read. The panel remembers.
Your colours
Six panel colours and its own light or dark mode, independent of Amazon's white.
Works in the browser you already use
Chrome
Arc
Dia
Brave
Everything the panel checks.
Quick stats
Rank, rating and monthly sold up top. If the rank is dead, you're done before typing a number.
Breakdown
Every fee on its own line, and the maximum cost worked back from your minimum ROI and profit.
Eligibility
Sellable, approval or restricted from Seller Central, with meltable and hazmat flags alongside.
Offers
Every seller with their stock, price and the ROI you'd make matching them.
Buy Box Analysis
Each seller's share of the last 90 days and their average winning price.
AI searches
Walmart, Target and the rest searched for the same product, with live prices.
eBay sales
Active listings and units sold over the last 30 days, day by day.
Keepa graph
Buy box, FBA, FBM and Amazon's price over time, with rank and offer count.
Save to folder
File the deal without leaving Amazon. Cost, notes and the source URL travel with it.
Join 1,000+ resellers who know what to pay.
Start with AI search, a tracked seller or any Amazon listing. Check fees, ROI, max cost and stock before you buy.