From xilisoft.com:

Xilisoft YouTube Video Converter is the most powerful YouTube Video converter. It can one step download FLV videos from YouTube.com and convert to other popular videos formats; it can download and save the FLV videos on your local disk; and it can convert FLV files on local disk to other videos formats. It supports the output format: AVI, MPEG, MP4, WMV, 3GP, H.264/MPEG-4 AVC, H.264/PSP AVC, etc. Compared with other YouTube Video Converter, Xilisoft YouTube Video Converter has more powerful and attractive functions and features: Key Features: 1. YouTube Video Converter provides the fastest speed to download and convert YouTube videos to other videos because: 1) It offers multithreading and batch conversion. 2) It supports multiple tasks: download and convert several files at one time. 3) It could download with resuming capability. 2. It offers you the most convenient task management and easiest control capability, because: 1) It allows you to choose how to download YouTube videos: directly drag the video file to Drop Zone, drag URL to main window of software and copy URL to "New Task" dialog. 2) It provides advanced task management functions: you could add, pause, stop, resume and delete tasks freely. 3) And more options are provided to adapt your habits: Specify the destination for the files; Rename the downloaded file; Set the downloaded file format to FLV, MP4; Set max simultaneous tasks; 3. Support multi-language; 4. It works perfect well under Windows Vista. Xilisoft YouTube Video Converter provides the fastest speed to download and convert YouTube videos to other videos formats, offers you the most convenient task management and easiest control capability. We highly recommend this product to you. And with our prompt, effective one business day email service, you can be unhesitating to let us know if you have any questions regarding our products and our service. Free download to enjoy Xilisoft YouTube Video Converter right now!