DirectYtDownloader 作者： PROXGAMERMS

Download YouTube videos directly from your browser — no ads, no sign-up, no tracking. Just paste a video URL, pick your preferred format and quality, and click download.
Supports MP4 and WebM formats at multiple resolutions up to 1080p. Before downloading, you'll see the video thumbnail, title, duration, and estimated file size so you know exactly what you're getting.
Access it from the toolbar popup or right-click any YouTube page for quick access via the context menu. Downloads save straight to your default downloads folder. Clean, fast, and lightweight — only works with YouTube video URLs.