If you are looking for a converter to get mp3 from youtube there is no alternative than the pristine MP3 Grabber. This is an application that insists on updating its technology and brings users the nice service. Though it works as a downloader here you will also get converter. That is to say when you can download online videos you will also be able to get audio files and convert local audio files to different formats. Not only but also there are some key features of this program that include a multi-languages support, works with multiple YouTube like websites, and provide fast and stable downloads.
You need to try it yourself to get the best result within very short time and know how powerful this app is. There is another such wonderful application that is MakeitMP3. This will help you to get mp3 from youtube. It is a kind of Java running program that functions as a video to MP3 converter/downloader. There are some knacks for using it are listed clearly besides the download box. You can also refer to it frequently and get the file converted. It is a highlighted online tool that includes an option to select a Standard or High quality audio output.