Skip to main content
CPAP Clarity

Privacy Policy

Your Data Never Leaves Your Browser

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.
  • First-party usage analytics:anonymous product events (for example, that an import succeeded or a report was generated) sent to our own database so we can find and fix problems. Identified only by a random session ID kept in your browser's sessionStorage, which disappears when you close the tab. No cookies, no account, no health data.
  • Standard web server logs via Vercel: IP address, browser type, pages requested. These are used for security and performance monitoring. No health data.

No Affiliate Links

CPAP Clarity has no affiliate links. Links to other websites are plain references: they carry no tracking tags, and I earn nothing when you click them or buy anything afterward. Once you leave the site, the destination's own privacy policy applies.

Advertising

CPAP Clarity runs no display advertising. No ad-network or ad-audience script is loaded on any page, and none will be (decided 2026-07-20). No advertising cookies are set and no advertising audience is built from your visit.

Google Analytics runs independently of your CPAP data and cannot access it. Your imported therapy data exists only in your browser's local storage (IndexedDB). Analytics sees general browsing behavior and page URLs, never health data: no AHI values and no therapy data are ever included in a page URL.

Cookies

On your first visit, a consent banner asks whether you accept analytics cookies. Google Analytics loads only after you click Accept. If you decline, no third-party cookies are set.

Your choice is stored in your browser (localStorage) under the key cpapclarity-consent. You can change your choice at any time by clicking "Manage cookies" in the site footer.

Third-Party Services

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.

Contact

For privacy questions or data requests, contact us at hello@cpapclarity.com

Last updated: July 20, 2026