It is also shipped with an offline tool to extract audio files out of FLV videos.ġ. For other formats, MP3 conversion is possible if FFmpeg is install. It also contains a pure JavaScript library to extract the original audio file out of FLV videos. Youtube Video and Audio Downloader is an open-source project, downloading Youtube videos (using Firefox download manager or a custom external download manager) in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice.
