How to convert Video files to Audio files ?

How to convert videos to audios??? By installing this app on your mobile you can easily convert videos to audios. So then you can use that audio as your ringtone. Some times I like advertisements music but I could not find that advertisement audio to use as my mobile ringtone. But I needed advertisement video's audio to use that as my mobile ringtone. I downloaded this app and converted and I used it as my mobile ringtone. So By using this app we can convert videos to audios. So, that audio you can use. Thanks for reading and watching this video. Please subscribe and like for more interesting apps.