Youtube Downloader Portable - Version 4.55 Fastest FREE YouTube downloader and converter. Download and convert Youtube videos to MP4, AVI, MPEG or MP3 files compatible with PC, iPad, DVD, PSP, iPod, MP3 player or other mobile device. The only thing you need is a correct YouTube URL. It works like it should, it downloads extremely quickly, it doesn't cut out part of the video, keeps the best video quality. You will enjoy this utility due to its easy-to-use and user-friendly interface. It is also a portable version available.