Privacy Policy

Last updated: June 29, 2026

Data we collect

Trip Plan Viewer is a static web application with no backend server. All trip data you enter (schedule, people, shopping lists, etc.) is stored exclusively in your browser's localStorage on your own device. This data is never transmitted to our servers, and we do not collect, access, or process it in any way.

Cookies and advertising

This site may display advertisements through Google AdSense. Google AdSense uses cookies to show ads based on your interests. For more information on how Google uses cookies, please see Google's Privacy Policy (https://policies.google.com/privacy). You can opt out of personalized ads via Google Ads Settings (https://adssettings.google.com). For information on third-party vendors' use of cookies to serve ads, please see the Google AdSense Partner Policies at https://policies.google.com/technologies/ads.

Third-party services

This site loads the Pretendard font from the jsDelivr CDN (cdn.jsdelivr.net). When the font loads, your browser makes a request to jsDelivr's servers, which may log technical information such as your IP address and browser type as part of standard server logs.

Analytics

We do not currently use any user analytics tools (such as Google Analytics).

Contact

For questions about this privacy policy, please use the Contact page.

Policy changes

If this privacy policy changes, we will post the updated version on this page. For significant changes, we will notify users via an in-app notice.