All Free YouTube Downloader is a free tool to download videos from YouTube and convert them to MP4AVIFLV and other audio formats. With its easy to use wizard mode you can just copy the URL of the video you want paste it and click Download. With the adjustable sequence of preferred quality you can always get the video of better quality downloaded. It also supports the batch conversion of downloaded FLV files or other videoaudio files.It allows you to download videos from YouTube.com to your local folder by the YouTube video URLs and convert the downloaded videos files to various videoaudio formats. When downloading video from YouTube if a higher quality version exists it will be downloaded instead of the other versions. You can also set sequence of preferred qualities or use the default HQ5 quality. You can convert all video formats with customized output quality for AVI MP4 & FLV. It can also extract audio tracks from FLV (Flash Video) AVI MPEG MPG DAT WMV MOV MP4 3GP video files and save them as WAV MP3 WMA etc. As an audio converter it converts audio files between the most popular audio formats and more. Detailed configuration of output quality settings is provided as presets which contain many well-defined parameters suited to your professional or casual needs (frame rate audio channel sample rate etc.).