Privacy Policy

Last updated: April 2026

Short version

Periodic Table Study is a free browser-based app. We do not ask you to sign in, we do not have an account system, and we do not collect personal information.

Local storage on your device

The app saves a few things in your browser's local storage so your preferences and saved quiz setups persist between visits:

• An anonymous ID (a random string) so saved quiz builds stay tied to this device.
• Your theme preference (light / dark / system).
• Your saved quiz and flashcard build configurations.
• Your saved study-sheet templates.

All of this lives only in your browser. Clearing your browser's data deletes it. It never leaves your device.

Analytics

We use Google Analytics to understand which features are used and which pages are most visited. Analytics data is aggregated and not linked to any personal identifier.

Contact

Questions? Visit our contact page.