Multi-window

"Multi-window" is a convenient viewer app that lets you watch multiple YouTube videos simultaneously.

🎯 Key Features

• Play up to five videos at the same time (switch between “Single Screen” and “4-Screen” modes).

• Perfect for viewing collaboration or co-streamed videos.

• Supports synchronization for live and archived streams.

📱 Simple Operation

• No complex logins or settings — start using it right away.

• Just copy and paste a YouTube URL to add a video.

• Easily paste from your URL history.

🔒 Privacy & Security

• No user data is collected.

• No server uploads or external data sharing.

Watch multiple videos at once — perfect for checking collaboration streams!