Privacy Policy

The short version

We collect nothing. Every calculation — GST, VAT, sales tax, invoices — happens in your browser locally. The amounts you type are never transmitted to us and are never stored on our servers.

What is stored on your device

• Your light/dark theme choice, saved in your browser's localStorage under the key ogc-theme.
• Calculator inputs may be reflected in the page URL so you can share or bookmark a result. That URL is not saved anywhere by us.
• If your browser caches the site files, the calculators keep working offline.

What we do NOT do

• No accounts or signups.
• No emails collected or newsletters sent.
• No calculation data transmitted, logged, or sold.
• No cross-site tracking pixels.

Third parties

Fonts are served by Google Fonts, which receives standard web requests (your IP is visible to them when the font is fetched). No other third-party services are embedded.

Children

The site is a general-purpose calculator and is not directed at children. It processes no personal data, regardless of age.

Changes

If this policy ever changes — for example if analytics or ads are introduced — the change will be posted on this page with a new date above.