Privacy

This site uses no tracking cookies and no ad trackers (only one functional cookie storing your language preference — it contains no identifier). Everything you enter in the calculator, invoice and batch tools is processed and stored only in your own browser (localStorage) — never uploaded. “Data never leaves your machine” is a design principle.

What is stored locally

Language preference, visitor country (for the export-country default), invoice form contents, per-field input history (last 20 entries per field, stored locally only), and the daily batch file counter. Clear site data in your browser at any time.

Waitlist email

Collected only when you submit a waitlist/subscription form, used for launch notifications and never shared.

Analytics

We use Plausible (cookie-free) for anonymous usage events (e.g. completed calculations) with no personal information.