Privacy, Terms, and Disclaimer

This site does not require accounts and does not store your calculator inputs on our servers. Saved scenarios are stored locally in your browser (localStorage).

Analytics: in production we load Umami Cloud analytics to understand aggregate usage. The analytics provider may process IP addresses to estimate location and prevent abuse; we do not store raw IP addresses in our app.

Share links: when you click "Share link," the URL includes your input values as query parameters. Anyone with the link can see those values. If analytics is enabled, the URL (including query parameters) may be captured by the analytics provider.

By using this website, you agree to use the calculators for informational purposes only. You are responsible for verifying all fee rates and taxes with the official platform sources and your payment provider.

You may not copy, resell, or redistribute this site's content or calculators without permission.

Fee calculations are estimates based on the inputs you provide. Actual fees may vary by category, plan, payment method, and policy changes. This site is not affiliated with Etsy, Shopify, or Amazon.

This site does not provide legal, tax, or accounting advice. For compliance and tax decisions, consult qualified professionals and the official help centers.