Privacy Policy
Last updated: January 2026
1. Your Data Stays Yours
All SmartCalc calculators run entirely in your browser using JavaScript. No numbers, dates, or personal information you enter are ever transmitted to our servers.
2. What We Don't Collect
- No personal identifiers
- No email addresses or accounts
- No calculator inputs or results
- No tracking cookies for profiling
3. Local Storage
We use your browser's localStorage only to remember your preferred theme (light/dark). This data never leaves your device.
4. Third-Party Advertising
We display ads through Adsterra. Adsterra may use cookies to show relevant ads. For details, see Adsterra's privacy policy.
5. Analytics
We do not use invasive analytics. Any server logs are minimal and used only for security.
6. Children's Privacy
SmartCalc is safe for all ages. We do not knowingly collect data from anyone.
7. Contact
Questions? Email [email protected].
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