Last updated: 2026-04-24

Cookie policy

We only use strictly necessary cookies to make the platform work. No marketing or third-party tracking cookies without your consent.

1. What are cookies?

Small text files your browser stores to remember info between visits: session state, language and anonymous quotas.

2. Cookies we use

NamePurposeTypeDuration
sb-access-tokenAuthenticated session with Supabase. Deleted on logout.
Strictly necessary
1 hour
sb-refresh-tokenRenews session without asking for login again.
Strictly necessary
7 days
NEXT_LOCALERemember your language (es/en).
Preference
1 year
zonutility_quotaDaily counter of free calculations (anonymous visitors only).
Strictly necessary
24 hours
_stripe_*Fraud prevention at checkout. Managed by Stripe on their domain.
Third-party
See Stripe policy

3. Third-party cookies

Stripe (payments) sets cookies at checkout for fraud prevention. We have no access to their content. See: stripe.com/cookies-policy.

4. How to disable them

You can delete cookies from your browser settings (Chrome, Firefox, Safari, Edge). Removing strictly necessary cookies will break core functionality.

5. Contact

Questions about cookies or personal data: privacy@zonutility.com.