Privacy Policy

Last updated: February 2026

1. What Data We Collect

Short answer: None.

• We do not use analytics tools (no Google Analytics, no Mixpanel)
• We do not set cookies
• We do not collect IP addresses
• We do not track your behavior
• We do not store form submissions

2. External Services

This site uses the following third-party services which may collect data:

• Google Fonts: Used for typography. Refer to Google's Privacy Policy
• Amazon Associates: Tool links may include affiliate tracking. Refer to Amazon's Privacy Policy
• Pinterest API: If shared to Pinterest, refer to Pinterest's Privacy Policy

3. Local Data

Some tools may use your browser's localStorage to remember your preferences locally on your device. This data never leaves your computer.

4. API Calls

Tool calculations happen in your browser. No data is sent to our servers. When you use a calculation tool, your inputs and results stay on your device.

5. Security

This site is served over HTTPS. All connections are encrypted. We do not store sensitive information server-side.

6. Third-Party Links

This site contains links to external resources (Wikipedia, archive.org, etc.). We are not responsible for their privacy practices. Please review their policies before sharing data.

7. Changes to This Policy

We may update this privacy policy occasionally. The "Last updated" date above reflects the most recent version.

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Commitment: We believe historical knowledge should be freely accessible without surveillance. Your privacy is fundamental to this mission.