CalcJoy doesn't require an account and doesn't ask for personal information. Calculations happen entirely in your browser.
What we store on your device
- Favorites, pinned, and recently used calculators (localStorage).
- Your theme preference (light, dark, auto).
- Optional per-calculator history for convenience.
This data never leaves your device. Clearing your browser storage removes it instantly.
Analytics & ads
If we add analytics or advertising in the future, we'll choose privacy-respecting providers and update this page first.
Contact
Questions? Email hello@calcjoy.app.
Last updated: May 2026.