Privacy Policy | Lingoku

1. Introduction

This Privacy Policy explains how Lingoku ("we", "us", or "our") collects, uses, and protects your personal data when you use our browser extension and services.

2. Information We Collect

Account Information

When you create an account, we collect your name, email address, and authentication data from your chosen sign-in provider (Google, GitHub, or email).

Usage Data

We collect anonymized usage data including: frequency of extension use, features accessed, language pairs studied, and general browsing patterns related to learning. We do NOT collect or store the content of websites you visit beyond the specific words you choose to look up.

Technical Data

We collect standard technical information including browser type, extension version, operating system, and IP address for service delivery and security purposes.

3. How We Use Your Data

• To provide and improve the language learning service
• To personalize your learning experience and content recommendations
• To communicate with you about your account and service updates
• To detect and prevent fraud, abuse, and security incidents
• To comply with legal obligations

4. Data Processing & AI

When you hover over a word for translation, the text is sent to our AI service for processing. This data is:

• Transmitted via SSL encryption
• Used only for real-time translation
• Never stored after processing
• Never used to train AI models

5. Data Storage & Security

We implement industry-standard security measures including encryption at rest and in transit. Your account data is stored on secure servers. We regularly audit our security practices.

6. Data Sharing

We do NOT sell your personal data. We may share data with:

• Service providers who help us operate (cloud hosting, email delivery)
• Legal authorities when required by law
• In connection with a business transfer (merger, acquisition)

7. Cookies & Local Storage

The extension uses browser local storage to maintain your session and preferences. We use essential cookies for authentication. No tracking cookies are used.

8. Your Rights

Depending on your jurisdiction, you may have the right to:

• Access your personal data
• Correct inaccurate data
• Delete your account and associated data
• Export your data in a portable format
• Object to certain processing activities

To exercise these rights, contact us at support@lingoku.ai.

9. Children's Privacy

Our Service is not directed to children under 13. We do not knowingly collect data from children under 13.

10. International Data Transfers

Your data may be processed in countries outside your residence. We ensure appropriate safeguards are in place for such transfers.

11. Changes to This Policy

We may update this Privacy Policy periodically. We will notify users of material changes via email or in-app notification.

12. Contact Us

For privacy-related inquiries: support@lingoku.ai