Privacy Policy

Last updated: May 2026

Introduction

Lumen: English Pronunciation ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how your personal data is collected, used, and protected when you use our browser extension and associated services.

What Data We Collect

  • Account Information: If you upgrade to our Pro version, we collect your email address and authentication details (e.g., via Google Sign-In) to manage your subscription.
  • Payment Information: Payments are securely processed through Stripe. We do not store or process your full credit card details.
  • User Preferences: Settings such as your preferred dialect (British/American), theme preferences, and saved words are collected to provide a personalized experience.

How Data Is Stored

Your user preferences are primarily stored locally on your device using Chrome's local storage mechanism. For Pro users, subscription statuses and account identifiers are securely stored on our backend database (Supabase).

How Data Is Used

The data we collect is used solely to:

  • Provide the core functionalities of the extension (e.g., displaying pronunciation and saving preferences).
  • Authenticate Pro users and grant access to premium features.
  • Process payments and manage subscriptions.
  • Improve the performance and reliability of the service.

Third-Party Services

We use the following third-party services, which have their own privacy policies:

  • Supabase: For database and authentication management.
  • Stripe: For secure payment processing.
  • Google Identity API: For secure authentication.

We do not use tracking analytics or third-party advertising cookies.

Data Sharing

We do not sell, rent, or share your personal data with third parties for marketing or advertising purposes. Your data is only shared with the essential third-party services mentioned above to facilitate the operation of the extension.

Data Retention and Deletion

We retain your account data for as long as your account is active. You can clear your local preferences at any time by uninstalling the extension or clearing the extension's local storage. If you wish to permanently delete your Pro account and associated data from our servers, please contact us at the email below.

Changes to This Policy

We may update this policy periodically to reflect changes in our practices. We will notify you of any significant changes by updating the "Last updated" date at the top of this policy.

Contact Us

If you have any questions or concerns about your privacy or this policy, please contact us at: lumen-pronounce@wildanmhd.dev