Seller Toolkit - Amazon Profit & ROI Calculator

See profit, ROI, margin, FBA fees, BSR and competition right on any Amazon product page. Built for Amazon sellers.

Seller Toolkit puts the numbers that matter right on the Amazon product page, so you can judge a product in seconds instead of opening a spreadsheet. WHAT YOU SEE ON EVERY PRODUCT PAGE • Net profit, margin, and ROI — type your cost, get your numbers instantly • FBA and referral fees for that exact product • Sales rank and estimated monthly sales • Buy box price and how many sellers you're up against • Break-even cost — the most you can pay and still profit BUILT FOR AMAZON SELLERS Whether you do online arbitrage, wholesale, or private label, Seller Toolkit helps you decide fast: is this product worth buying, and at what cost? WORKS WITH THE FULL SELLER TOOLKIT PLATFORM The extension pairs with the Seller Toolkit web app, where you get automatic profit tracking from your connected Amazon account, a bulk list scanner, a supplier CRM, shipping calculators, and more. Get access at toolkit.leonvartanian.com PRIVACY The extension only runs on amazon.com pages. It reads the product's ASIN and price to calculate fees and profit. It does not read your browsing history, other tabs, or any personal information. Full policy: toolkit.leonvartanian.com/privacy