Privacy policy & Cookies
Last updated: May 2026
1. Who we are
ChemAtlas (chematlas.app) is an educational chemical data platform developed by AgathaPress. Contact: contact@chematlas.app.
2. Data we collect
We collect anonymous usage data through Google Analytics (search queries, pages visited, session duration, browser and country). We do not collect names, email addresses, or any personally identifiable information unless you contact us directly.
3. Cookies
ChemAtlas uses cookies and similar technologies for the following purposes:
| Cookie / Service | Purpose | Category | Duration |
|---|---|---|---|
| chematlas_consent_v1 | Stores your cookie preferences | Necessary | 1 year |
| _ga, _ga_* | Google Analytics — anonymous traffic analysis | Analytics | 2 years |
| _gcl_*, IDE | Google AdSense — ad personalisation and measurement | Advertising | 13 months |
4. Google Consent Mode v2
We implement Google Consent Mode v2. All tracking and advertising cookies default to denied until you make an explicit choice. You can change your preferences at any time by clearing your browser's localStorage for this site.
Google may use consented data to improve ad measurement. See Google's privacy policy at policies.google.com/privacy.
5. Your rights
Under GDPR, LGPD, and similar regulations, you have the right to access, correct, or delete data associated with your device. Since we only collect anonymous analytics data, there is no personal profile to delete. To opt out of analytics and advertising, click "Reject all" in our cookie banner or clear your localStorage for this site.
6. Contact
For any privacy question: contact@chematlas.app