MediaHuman YouTube to MP3 Converter - Extracts MP3 audio from YouTube, Vimeo, Dailymotion, Mixcloud, Bandcamp, SoundCloud and many others. Available for macOS, Windows and Ubuntu/Linux. FREE!
HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
Any Video Converter - Any Video Converter is an All-in-One video converting tool with easy-to-use graphical interface, fast converting speed and excellent video quality. It allows you to effortlessly convert video files between every format!
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Selene Media Converter - Selene is an audio/video converter for converting files to various formats.