Legal
Privacy Policy
Effective date: January 1, 2026
Data we collect
TheFilamentCalc collects no personal data. We do not use cookies, analytics trackers, or any third-party data collection services.
localStorage
The calculator stores your recent filament weight entries and your light/dark theme preference in your browser's localStorage. This data never leaves your device and is not accessible to us or any third party.
Third-party fonts
We load Inter and JetBrains Mono from Google Fonts. Google may log the font request (your IP address and browser user-agent) per their ownPrivacy Policy.
Changes to this policy
We may update this policy occasionally. The effective date at the top of this page will reflect any changes.
Contact
Questions? Reach us via the About page.