Your privacy is our priority. The Subnet Calculator is designed with privacy-first principles, ensuring that your sensitive network data never leaves your device.
✅ All calculations are performed locally in your browser
No network data, IP addresses, or calculation results are transmitted to any server.
The Subnet Calculator operates entirely client-side, which means we have no server infrastructure that could collect or store your data:
The Subnet Calculator uses browser storage only for improving your user experience:
Used to remember your UI preferences and collapsed sections for better UX.
Temporarily stores calculation results during your browsing session.
Browser automatically caches static assets for faster loading.
You can clear this data anytime through your browser's settings. None of this data is transmitted to our servers.
The Subnet Calculator is hosted on Vercel, a leading web hosting platform. Here's what Vercel may automatically collect:
We do not control or access this infrastructure data. For Vercel's privacy practices, visit Vercel's Privacy Policy.
The Subnet Calculator uses these external services:
Web hosting and CDN services. Automatically collects basic web analytics.
Source code repository. Public project, no personal data collected.
🍪 No tracking cookies or analytics tools are used
The Subnet Calculator does not use any tracking cookies, analytics pixels, or behavioral tracking tools. Your browsing patterns and usage cannot be traced or analyzed.
Since we do not collect or store your personal data, there's nothing to access, modify, or delete. However, if you have any privacy concerns, you can:
Our Service is safe for users of all ages. Since no personal information is collected, children can use the Subnet Calculator safely without parental consent requirements.
If you have any questions about this Privacy Policy, please contact:
Developer: blazejwrobel.eu
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. Since we don't collect contact information, we cannot notify you directly of changes, so please check this page periodically.