Our Promise to You

At SubnettingCalculator, we care about your privacy. Our tools are designed to run completely in your browser, and we do not store any of your data. This means your information stays safe with you.

What Data Do We Collect?

We don’t collect or save any personal information when you use our subnetting tools. Everything you enter, like IP addresses or subnet masks, is processed in your browser and is not sent to our servers. We don’t track you or keep records of what you do.

How We Use Your Data

Since we don’t store any data, we don’t use it for anything. Your calculations and inputs are handled locally on your device, keeping your work private.

Cookies and Tracking

We use a small cookie to remember if you’ve accepted our cookie notice. This cookie doesn’t store personal details and expires after 30 days. We don’t use tracking tools like Google Analytics or ads that follow you around.

Your Rights

Because we don’t keep your data, you don’t need to ask us to delete anything. If you have concerns or questions, feel free to contact us at contact@subnettingcalculator.com.

Changes to This Policy

We may update this privacy policy if needed. If we do, we’ll let you know by updating this page. The last update was on September 03, 2025.