Xilisoft YouTube HD Video Converter is certainly the most ideal downloading and converting tool which can help you to download YouTube High Definition videos and standard definition videos and convert them in-one-step with fast speed. Features 1.Download YouTube High Definition videos in resolution of 1080p or 720p and general FLV videos in high speed to your PC in one step and convert to the most popular SD and HD video formats including AVI MPEG H.264/MPEG-4 AVC MPG MPEG-1 MPEG-2 MPEG-4 MP4 FLV DivX XviD ASF 3GP 3G2 SWF. 2.Xilisoft YouTube HD Video Converter enables you to download and convert YouTube videos in one step to the video formats compatible with multiple devices including iPod iPod nano iPod classic iPod shuffle iPod touch iPhone iPhone 3G iPhone 3GS iPhone 4 iPad Apple TV Zune Zune4 Zune8 Zune16 Zune80 Zune120 General 3GP support mobile phone PSP PS3 and etc. 3.A convenient web browser is provided to enable you to view YouTube videos within the application. You can log on YouTube directly easily select interested videos to view download and convert. 4.Flexible ways to initiate downloading and converting YouTube videos: start from IE''s right-click menu drag and drop target videos to the application provide the exact URL of the video or from the application by one click. 5.Proxy Server configuration is available for you to set up your network for better visiting speed and safety. 6.Batch Downloading and Converting tasks at the same time is supported which enhances the efficiency. 7.Multi-threading processing enables the fast downloading/converting speed. Set the global max downloading speed according to the actual state of your network. 8.Exit hibernate shutdown standby or no action after the downloading/converting tasks finished. 9.English German Spanish French Italian Japanese Simplified and Traditional Chinese interface languages are optional.