Free tools for UK sellers
Calculators and tools for running UK multi-channel commerce.
Free, no sign-up. Built for UK sellers actually running volume across Amazon, eBay, Temu, TikTok Shop and wholesale.
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Marketplace Fee Calculator
Compare illustrative fees and gross profit using your costs and editable commission assumptions linked to seller documentation.
Open the toolNewOversell Risk Calculator
Compare simplified collision-exposure scenarios using your stock, order-rate, sync-interval, buffer and channel assumptions.
Open the toolNewTemu Profit Calculator
Work out Temu profit from an ex-VAT base price, with the customer delivery charge taking the VAT rate of the goods — so zero-rated stock keeps the full £2.00.
Open the tool