Turn youtube video into mp4 highest quality
Linux Audio Converter / Tagger / CD Ripper
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Download Youtube to Mp3 using Fvdtube Youtube downloader app.
Full features for Dolphin's right click menu on KDE [4.x|5.x]
A stylish Video Converter written in Python
MP3 Rocket - YouTube to mp3 conversion done right.
Tmib Video Download is a Smaller and Faster Video Downloader by Tmib