Privacy Policy

Last updated: December 19, 2025

1. Introduction

Youtube Livechat Danmaku Helper ("the Extension") is dedicated to respecting and protecting your privacy. This policy explains how we handle your data.

2. Data Collection & Disclosure

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is:

• Not being sold to third parties, outside of the approved use cases.
• Not being used or transferred for purposes that are unrelated to the item's core functionality.
• Not being used or transferred to determine creditworthiness or for lending purposes.

Technical details regarding data processing:

• The Extension processes YouTube chat messages locally within your browser solely to render them as animations. Chat content is strictly temporary and is deleted immediately after display.
• Analytics: We might use third-party analytics tools (such as Google Analytics) to collect anonymous usage statistics (e.g., feature usage frequency, error logs) to help us improve the Extension. This data does not include any personal information, chat content, or user identities.

3. Permissions

The Extension requires the following permissions to function:

• activeTab / tabs: To verify you are on a YouTube video page.
• storage: To save your visual preferences (e.g., font size, opacity) locally on your device.
• host_permissions (youtube.com): To access the chat DOM elements and overlay the canvas on the video player.

4. Third-Party Services

The Extension interacts solely with YouTube.com to function. We are not affiliated with Google or YouTube.

5. Contact

If you have any questions about this policy, please create an issue on our GitHub repository.