Privacy Policy

Effective Date: January 18, 2026

At ClassCharts Improver, we believe that your privacy is paramount. This Privacy Policy explains how we handle information when you use our browser extension.

1. Data Collection and Usage

No Personal Data Collection: We do not collect, store, or transmit any personal information, including names, email addresses, or school credentials.

No Tracking: We do not use cookies, tracking pixels, or any other analytical tools to monitor your browsing habits or extension usage.

Local Processing: All modifications to the ClassCharts interface happen locally on your device within your browser. No data is sent to external servers.

2. Interaction with ClassCharts

The extension works by injecting CSS and JavaScript into the official ClassCharts website to improve your user experience.

The extension does not have access to your ClassCharts password.

Any data displayed (such as homework tasks or points) is fetched directly from ClassCharts by your browser and is never intercepted or stored by this extension.

3. Third-Party Services

ClassCharts Improver does not share data with third-party services. The extension is independent and is not affiliated with, endorsed by, or associated with Edukey Education Ltd (the creators of ClassCharts).

4. Permissions

The extension requires the following permissions to function:

  • storage: To save your UI preferences (like chosen themes or layout settings) locally on your device.
  • host permissions: To allow the extension to run its visual improvements specifically on ClassCharts domains.