Free seller tools

Know your costs.
Price with a clearer view.

Useful estimates for the software you buy and the products you sell. Put in your own figures and see how the costs add up.

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More than calculators.

Create invoices, batch product images, QR codes and packing documents in the new free toolbox.

Explore all free business tools →
Cash coming in late?

Plan receipts and payments across 13 weeks and test a delayed payout.

Try the free cash-flow planner →
Need cleaner product photos?

Use the free image studio to remove a plain background, touch up the cutout and choose a marketplace preset.

Open the product image studio →

A little more detail, when you need it

Free cost calculators for online sellers

Product profit and pricing answer different questions

The profit calculator estimates what remains at a selling price you enter. Break-even pricing estimates a price that covers the modelled costs. Target-margin pricing includes the margin you choose. Use these as planning tools with your actual charges; example values are not marketplace fee quotes and a calculated price does not prove buyers will pay it.

Open the product cost calculator

Keep your assumptions consistent

Enter product cost, delivery, packaging, percentage and fixed fees, ads and a returns allowance. Allocate monthly overhead over a realistic order count. Use the same tax basis throughout. The tools do not calculate VAT liabilities automatically. Compare more than one scenario, including slower sales or a higher delivery cost, to see how sensitive your margin is.

Build a cost-check routine

Compare software separately from product costs

The software calculator models a supported accounting setup, compatible connector and optional Amazon profit tracking. Research tools, supplier services and website subscriptions are separate expenses. Use the product cost calculator to include the regular overhead you actually pay, and read the profile for the provider’s current plan limits.

Compare your seller software bill