Free tools for ecommerce operators

Calculators, checkers and generators that surface the money quietly leaking out of your shipping and post-purchase operations — overcharges, returns, chargebacks, surcharges and more. Every tool is free and works without an account.

Get a free profit-leak audit Compare live rates

Cost & rates

Shipping Savings Calculator

See how much you could save by switching to discounted carrier rates.

Carrier Invoice Audit

Estimate the refunds and overcharges hiding in your UPS/FedEx/USPS bill.

Dimensional Weight Calculator

Find the billable DIM weight carriers will charge before the invoice lands.

Carrier Surcharge Checker

See which accessorial surcharges apply and how much they add.

Freight Class Calculator

Get your NMFC freight class from pallet weight and dimensions.

Landed Cost & Duty Calculator

Estimate import duties, taxes and fees so you can price DDP.

Returns & disputes

Returns Cost Calculator

Find out what returns really cost your store every year — and what is recoverable.

Chargeback Rebuttal Generator

Generate an evidence-backed dispute letter to fight a chargeback in minutes.

Shipping Claim Checker

Check if a lost, damaged or late package qualifies for a refund.

Compliance & policies

Return Policy Generator

Generate a clear return & refund policy to paste into your store.

Shipping Policy Generator

Generate a clear shipping policy covering rates, times and carriers.

Operations

Delivery Time Estimator

Estimate transit days by carrier and service to set checkout promises.

Shipping Emissions Calculator

Estimate the CO2 footprint of a shipment for sustainability reporting.

Holiday Shipping Deadlines

The last day to ship by carrier and service so orders arrive on time.

Want us to find the leaks for you?

Connect your store or send a recent carrier invoice and we’ll run a free profit-leak audit — overcharges, late-delivery refunds, chargeback risk, return leakage and surcharge errors.

Request a free audit Create a free account