Privacy Policy
Last updated: April 27, 2026
TL;DR
- We collect basic profile info from your OAuth provider so you can sign in.
- We store your generated databases, challenges, and submission history.
- Your SQL queries are sent to Anthropic (Claude) to generate hints — don't paste production data.
- We don't sell your data and don't run ad-network trackers.
What we collect
When you sign in via OAuth (Google, GitHub, etc.) we receive your email, display name, and avatar URL.
When you use Querizer, we store: databases you generate, challenges you generate, your SQL submissions and hint requests, and basic usage metrics (counts per month for plan enforcement).
How we use it
- Provide the service — your account, your data.
- Enforce plan limits (counts of generations per billing cycle).
- Improve the product, in aggregated and anonymized form.
Third parties
- Supabase — database, authentication, file storage.
- Anthropic (Claude) — generates databases, challenges, and hints based on your inputs (including the SQL you write).
- Stripe (future) — payment processing if you upgrade.
Your rights
- Request a copy of your data — contact us.
- Delete your account — contact us or use the in-app feedback form.
- Stop using the service at any time.
What we don't do
- Sell your data.
- Run third-party tracking pixels or ad-network beacons.
- Send unsolicited marketing emails.
Contact
Use the in-app feedback form, or reach out at hhhao.dev.