Free download YouTube videos in WebM, FLV and MP4 formats. WinX YouTube Downloader is totally free software to download YouTube HD videos and download standard FLV videos. It can detect YouTube videos automatically and help you download YouTube videos of any resolutions like 640x360, 854x480, 1080x720 in WebM, FLV and MP4 formats for free. The built-in video player even lets you preview any YouTube video before or during downloading. After fast downloading, you can playback YouTube videos on common media players, burn YouTube WebM/FLV/MP4 videos to DVD with DVD authoring programs, and convert YouTube videos to AVI, MPEG, WMV, MOV, iPad, iPhone, Android, PSP, etc with video converter. YouTube video edition and sharing are also made possible in case of personal enjoyment. Without any worries about network connection, signals or video formats, you can enjoy YouTube videos smoothly anytime anywhere. 100% clean, no adware, no malware, no spyware, and no virus at all. Key Features: Download Online SD and HD YouTube Videos: Download almost all videos available on YouTube website. Output YouTube videos in FLV, WebM and MP4 formats differing in file size and video quality. Support HD YouTube videos; keep original YouTube audio video effect. Download and convert YouTube videos to AVI, WMV, MOV, iPhone, iPad, MP3, etc. User-friendly YouTube Download Features: Very easy to use even for beginners. Just copy URL of YouTube page, auto start download tasks. Provide every user with different output video quality/size options to choose. The higher the video quality is, the bigger the file size will be. Format, resolution and download speed limit are customizable. User can make personal settings to reset the default video/picture path, or choose to use Proxy Server. Support previewing YouTube and taking snapshot directly. The output PNG pictures will be saved automatically. Enable to open the output video/picture folder conveniently through the UI.