Video DownloadHelper 作者： MiConvert.com

Video DownloadHelper is a powerful browser extension that automatically detects and downloads videos and audio from any website.

Features

• Auto-detection — Monitors network requests to find video and audio streams in real-time
• HLS & DASH support — Parses M3U8 and MPD manifests to offer multiple quality options (4K, 1080p, 720p, etc.)
• Smart filenames — Generates clean filenames from page titles with customizable templates
• One-click download — Download detected media instantly from the popup
• Quality selector — Choose your preferred resolution when multiple variants are available
• Context menu — Right-click any video or link to download directly (desktop)
• Dark & Light themes — Premium UI with system theme support
• Multi-language — Supports 49 languages
• Android compatible — Works on Firefox for Android with a responsive mobile UI

How to use

1. Navigate to a page with video or audio content
2. Play the video to trigger detection
3. Click the VDH icon in the toolbar
4. Choose your preferred quality and download

No data collection. All processing happens locally in your browser.