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Privacy notice for the Grounding Query Classifier — a free utility with optional bring-your-own-key (BYOK) live probing, published on richvoller.com.

Last updated: June 2026

Summary

The Grounding Query Classifier runs a deterministic heuristic classifier in your browser. An optional Gemini live probe uses your own API key. We do not run user accounts, we do not use analytics or advertising trackers on the tool itself, and we do not store your queries or API keys on our servers or in any database.

What we store

  • Heuristic classification (your browser only): Query classification runs locally. No query text is sent to our servers unless you explicitly run the optional Gemini probe.
  • Your Gemini API key (your browser only, optional): By default the key stays in page memory for your session. If you opt in to "Remember on this device", it is saved in localStorage on that browser. It is never written to our servers.
  • Our servers: When you run the Gemini probe, the query and your key are processed in memory to call Google's API and then discarded. We do not log request bodies.

What is sent to third parties

When you run the optional Gemini probe, your browser sends your query and Gemini API key to our API route. Our server forwards the request to Google Gemini using your own API key. Google processes data under its own terms and privacy policy. You are responsible for your Google AI Studio account.

The heuristic classifier does not call any third-party API. It runs entirely in your browser.

Hosting

The tool is hosted on Vercel. Standard request metadata (such as IP address and user agent) may appear in hosting logs for security and operations when you use the probe route. We do not use this data for marketing.

Lawful basis (GDPR)

We process the minimum data needed to provide the tool (legitimate interest in operating a free utility). We do not sell personal data or use it for advertising. Queries you enter may constitute personal data if they relate to an identifiable person; you control what you submit.

Your choices

  • Use without an API key: Heuristic classification works with no key and sends nothing to our servers.
  • Clear API key: Settings → Clear key removes the key from memory and localStorage.
  • Do not remember on shared devices: Leave "Remember on this device" unchecked on shared or untrusted machines.
  • Export: Copy or export your result before leaving the page.

Security

Traffic is encrypted in transit (HTTPS). API keys travel only between your browser and our probe API route, then onward to Google. Avoid saving keys on shared devices.

Contact

For privacy questions about this tool, contact [email protected] or use the contact form on this site.