Video Downloader 作者： EC

Automatically detect and download videos from any website with this powerful Firefox extension.

Key Features

🎬 Multi-Format Support
- Direct videos: MP4, WebM, OGG, AVI, MOV, FLV, WMV, MKV
- Streaming protocols: HLS (.m3u8), DASH (.mpd)
- Transport Stream segments

🔍 Smart Detection
- Monitors network requests for video files
- Scans page for video/audio elements
- Detects embedded videos from iframes
- Captures XHR/Fetch API video requests
- Real-time detection of dynamically loaded content

✨ User-Friendly Interface
- Clean, modern popup design
- Badge shows detected video count
- One-click download
- Copy video URLs to clipboard
- File size and detection time display

🔒 Privacy Focused
- 100% local processing
- No data collection or tracking
- No external servers
- Open source code

How It Works

1. Navigate to any webpage with videos
2. Click the extension icon
3. View all detected videos in the popup
4. Click "Download" or copy the URL

Perfect for downloading educational content, tutorials, and videos you have permission to save for offline viewing.

Note: Some videos may be DRM-protected and cannot be downloaded. Always respect copyright and terms of service.