Cookie Policy

1. What cookies and local storage are

Cookies are small text files a website stores in your browser. "Local storage" is a related browser mechanism that lets a site remember data on your device. We use both to keep you signed in, remember your preferences, and understand how the Service is used.

2. How we use them

Strictly necessary

Required for the Service to work — for example, your authentication session (managed by Supabase) that keeps you signed in, and security features. These cannot be switched off without breaking core functionality.

Functional / preferences

Remember your choices to personalize the experience — for example, light/dark theme, map basemap and highlight color, default landing view, and role. On tract.earth these are stored in your browser’s local storage and are not transmitted to us as cookies.

Analytics

Help us measure aggregate usage and improve the Service (for example, which features are used). Analytics data is used in aggregate and is not used to identify you personally.

3. Third-party technologies

Some features rely on third parties that may set their own cookies or receive requests when you use them, subject to their own policies — including Vercel (hosting and analytics), Mapbox (maps), and Stripe (billing and fraud prevention on billing pages).

4. Managing cookies

Most browsers let you view, block, or delete cookies and clear local storage in their settings. Blocking strictly necessary cookies will prevent you from signing in and using the Service. Clearing local storage will reset your saved preferences.

We honor "Global Privacy Control" and similar browser signals where required by law. We do not respond to legacy "Do Not Track" headers, which lack a common standard.

5. Changes to this policy

We may update this Cookie Policy as our use of these technologies changes. Material changes will be reflected in the "Last updated" date.

6. Contact

Questions about cookies? Contact us at support@earthengine.io.