Free tools
Free tools for Amazon sellers
Quick calculators you can use without signing up. For whole supplier lists, Wholesale Analyzer does this for every product at once.
Amazon Profit & ROI Calculator
Work out the net profit, margin and ROI of any wholesale product after Amazon fees.
Open tool →Break-even & Max Buy Cost Calculator
Find the most you can pay a supplier and still hit your target ROI.
Open tool →UPC & EAN Barcode Validator
Check that a UPC, EAN or GTIN is valid and convert a UPC to an EAN-13.
Open tool →Stop guessing. Start buying with confidence.
Upload your next supplier list and see which products are worth your money, how many to order and the most you should pay.