Privacy Policy

Last updated: January 2025

Data Collection

SD.gy does not collect, store, or transmit any personal data. All tools run entirely in your browser.

All data you enter (numbers, dates, etc.) is processed locally in your browser and never leaves your device.

We use minimal cookies only to save your preferences (theme, language). No tracking cookies are used.

We may use Google AdSense for advertising. Google may use cookies for personalized ads. You can opt out at adssettings.google.com.

We may use anonymous analytics to understand usage patterns. No personally identifiable information is collected.

For privacy-related questions, contact us at hello@sd.gy.