Privacy Policy

1. Overview

둥둥 ("DungDung", "we", "us", or "our") operates the website at dungdung.club. This Privacy Policy explains how we collect, use, and protect your information when you use our service.

2. Information We Collect

Information you provide

• YouTube video URLs you submit for transliteration
• Subtitle files (SRT/VTT) you upload
• Target language preferences
• Audio recordings when using the pronunciation practice feature

Information collected automatically

• Basic usage analytics (page views, feature usage)
• Device type and browser information
• IP address (anonymized)

3. How We Use Your Information

• To provide subtitle transliteration services
• To process pronunciation practice audio for feedback
• To improve our service and user experience
• To analyze usage patterns and fix issues

4. Third-Party Services

We use the following third-party services:

• Google Gemini AI — to process transliteration and pronunciation analysis. Audio and text data is sent to Google for processing.
• YouTube — to retrieve video subtitles and embed video playback.
• Google Analytics — to collect anonymized usage statistics.

5. Data Storage and Retention

We do not store your uploaded subtitle files, audio recordings, or transliteration results on our servers beyond the duration needed to process your request. Browsing history is stored locally in your browser and is not transmitted to our servers.

6. Cookies

We use essential cookies and local storage to maintain your preferences and browsing history. Third-party analytics services may set their own cookies.

7. Your Rights

You can:

• Clear your local browsing history at any time through your browser
• Disable analytics tracking through your browser settings
• Request information about data we may have collected

8. Children's Privacy

Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of significant changes by posting the new policy on this page with an updated date.

10. Contact

If you have questions about this Privacy Policy, please contact us at zimin.byun@lightsoft.dev.