Privacy Policy for Langsurf Graded Reading Extension

Last Updated: 2/22/2025

Introduction

This Privacy Policy describes how the Langsurf Graded Reading Extension (“we”, “our”, or “the Extension”) collects, uses, and protects your information when you use our service.

Information We Collect

Account Information

Email address (for authentication purposes)

User ID (internally generated)

Subscription status

Usage Data

Text content submitted for translation (processed in real-time, NOT stored)

Translation requests and responses

Session information for authentication purposes

Note: While our extension needs to process website content to provide translations, we do NOT store or retain any website content from our users. All text processing happens in real-time and is immediately discarded after translation.

How We Use Your Information

Essential Service Operation

To authenticate users and verify subscription status

To process translation requests

To provide language learning services

Service Improvement

To monitor and improve the performance of our translation services

To debug and prevent technical issues

Third-Party Services

Authentication and Database

We use Supabase for user authentication and data storage. Their privacy policy applies to the handling of authentication data.

Translation Services

We use AI translation services (including OpenAI) to process translation requests. When you submit text for translation, it is processed through these services according to their respective privacy policies.

Data Protection

All data transmission is encrypted using industry-standard protocols

We implement appropriate security measures to protect your personal information

Access to personal data is strictly limited to authorized personnel

Data Retention

We retain your account information and usage data for as long as your account is active. You can request deletion of your data by contacting us.

Your Rights

You have the right to:

Access your personal data

Request correction of your personal data

Request deletion of your account and associated data

Opt-out of non-essential data collection

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of any material changes through the extension or via email.

Contact Information

For any questions about this Privacy Policy, please contact us at support@gradedreading.app

Children's Privacy

Our service is not intended for use by children under 13 years of age. We do not knowingly collect personal information from children under 13.