PLATO Video Downloader Privacy Policy

Last updated: April 20, 2026

Overview

PLATO Video Downloader is an unofficial Chrome extension that helps users save lecture videos they can already access on PLATO VOD pages as MP4 files for personal study.

Data Processed by the Extension

The extension processes website content from PLATO VOD pages in the user's browser. This may include lecture titles, VOD page links, HLS playlist URLs, encryption key URLs, and media segment URLs that are already available from pages the user can access.

How the Data Is Used

The extension uses this data only to identify accessible PLATO VOD media, add save buttons to supported PLATO pages, download the required HLS media resources, and convert them into an MP4 file locally in the browser.

Data Collection and Sharing

The extension does not collect, store, transmit, sell, or share user data with any third party. It does not use analytics, advertising, tracking, or any external server.

Local Processing

Video processing is performed locally in the user's browser using files packaged with the extension. Converted files are saved to the user's device through Chrome's download system.

Permissions

• downloads: used to save converted MP4 files to the user's device.
• https://plato.pusan.ac.kr/*: used to detect supported PLATO pages, add save buttons, and read accessible VOD information.
• https://*.edge.naverncp.com/*: used to fetch PLATO VOD HLS playlists, keys, and media segments.

Limitations

The extension does not bypass login restrictions, access restrictions, DRM, or copyright protection. Users are responsible for complying with the policies of their institution, instructors, content providers, and copyright holders.

Contact

For privacy questions about this extension, contact the developer through the Chrome Web Store listing.