Privacy Policy

CNC ToolKit stores a small amount of data in your browser's localStorage to preserve your settings between sessions:

• Theme preference — light or dark mode
• Calculator selections — your last machine, router, bit, material, and stance slider position
• My Toolbox favorites— machines, routers, and bits you've starred
• Custom bits— any bits you've added in the Custom Bit panel

All of this data lives exclusively in your browser. It never leaves your device. You can clear it at any time by clearing your browser's localStorage for this site.

• No user accounts or registration
• No cookies (first-party or third-party)
• No personal data or PII
• No crash or error reporting
• No advertising or ad networks
• No fingerprinting

There is no backend. CNC ToolKit is a static web application — every calculation runs entirely in your browser with no network requests to any server.

CNC ToolKit uses Vercel Analytics to collect anonymous, aggregated page view data. This helps understand which features are used and whether the site is working correctly.

Vercel Analytics does not use cookies, does not track individuals across sessions, and does not collect personal information. What it records: page URL, referrer, approximate country, device type, and browser. No IP addresses are stored. Data is processed by Vercel, Inc. under their privacy policy.

The Methodology page and the Sources panel link to external manufacturer documentation, community resources, and research papers. These links open in new tabs. CNC ToolKit has no control over those sites and their own privacy practices apply when you visit them.

The “Buy me a coffee” link goes to buymeacoffee.com, which has its own terms and privacy policy. No data is shared with Buy Me a Coffee unless you choose to visit that site.

If you have questions or find an issue, please open a ticket on GitHub.