xbbTools
Disclaimer
Last updated: June 6, 2026
Estimates only
All calculations, fee estimates, profit results, packaging recommendations and unit conversions provided by xbbTools are for planning and informational purposes only.
Amazon fees may differ
Actual charges may differ because of product classification, official package measurements, shipping weight rules, account-specific settings, inbound placement, storage, returns, taxes, promotions, surcharges and future fee changes.
Packaging recommendations
Packaging optimization results assume that a product can safely fit within the minimum dimensions entered by the user. xbbTools does not verify product protection, compression limits, regulatory requirements or carrier handling performance.
Rule status
Rules currently marked as DRAFT have not completed final comparison against all relevant Amazon official tools and account statements. Users should independently verify important decisions.
No professional advice
xbbTools does not provide legal, tax, accounting, financial or compliance advice. Consult an appropriate professional when required.
Limitation of liability
Users remain responsible for verifying inputs, outputs and business decisions. xbbTools is not responsible for losses, charges, damages or decisions resulting from reliance on estimated outputs.
Independent service
xbbTools is an independent utility and is not endorsed by, sponsored by or affiliated with Amazon.