Privacy Policy
Last updated: January 2025
The Short Version
All calculations run locally in your browser. We don't collect, store, or transmit any of the data you enter into our calculators. Your network configurations stay on your device.
Data We Don't Collect
- IP addresses, subnet configurations, or network details you enter
- Calculator inputs or results
- Personal identification information
- Account information (we don't have accounts)
Data We May Collect
We use privacy-respecting analytics to understand how our site is used. This may include:
Which calculators are popular
Country level only
For compatibility purposes
How you found us
Note: This data is aggregated and anonymized. We cannot identify individual users.
Cookies
We use a single local storage item to remember your theme preference (light/dark mode). This is stored only on your device and is not transmitted to our servers.
Third-Party Services
We may use third-party services for hosting and analytics. These services have their own privacy policies. We select services that respect user privacy and don't sell personal data.
Contact Information
If you submit information through our contact form, we will only use it to respond to your inquiry. We don't add contacts to mailing lists without explicit consent.
Changes to This Policy
We may update this privacy policy from time to time. Significant changes will be noted at the top of this page with a new "last updated" date.
Questions?
If you have questions about our privacy practices, please reach out.
Contact Us