Your Data Never Leaves Your Browser

All CPAP data processing happens entirely in your browser using JavaScript.
Your sleep therapy data (EDF files from your SD card) is never uploaded to any server.
Data is stored locally in your browser's IndexedDB. Clearing browser data removes it.
No user accounts. No login. No server-side database stores your health information.

What We Do Collect

Google Analytics 4: anonymous page visit data (pages viewed, time on site, device type). No health data is included. You can opt out by using a browser ad blocker.
Standard web server logs via Vercel: IP address, browser type, pages requested. These are used for security and performance monitoring. No health data.

Affiliate Links

Some insight cards and articles contain Amazon Associates affiliate links (identified by rel="sponsored"). Clicking these links takes you to Amazon.com where Amazon's own privacy policy applies. We earn a small commission on qualifying purchases at no extra cost to you.

Cookies

Google Analytics uses cookies for anonymous analytics. No other cookies are set by CPAP Clarity.

Third-Party Services

Vercel (hosting): vercel.com/legal/privacy-policy
Google Analytics: policies.google.com/privacy
Amazon Associates: amazon.com/gp/help/customer/display.html?nodeId=468496

Children's Privacy

CPAP Clarity is not intended for use by anyone under 18.

Changes

We may update this policy. Changes will be posted on this page with an updated date.

Last updated: March 28, 2026