You should only download YouTube videos when you have permission from the video owner. Read YouTube’s terms of service notice that downloading content without permission is strictly prohibited.

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4K Download is a software-based video converter that works with YouTube, Vimeo, Soundcloud, VEVO and many other websites.

This tool allows you to convert videos to MP3 with a simple drag and drop. No registration is required and it’s quick and easy to receive your MP3 files. It’s a fast and reliable option!

There are options available for Mac and Windows software.