OnlyMP3

<== DESCRIPTION ==>
After installing the add-on, you can find a new icon in your browser toolbar.
When Watching a YouTube video, if you want to convert it to MP3 and save it on your computer, first click on the onlymp3 add-on icon and then click “Convert to MP3”, That’s it.

<== FEATURES ==>
+ Download YT video to mp3 music.
+ Download the highest available quality.
+ Conversion is fast.
+ Option to upload MP3 file to Dropbox.