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The YouTube Mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a Mp3 with just one click. Compatible with new Firefox Quantum 57

Download Mp3 of any Youtube video, just one click.

Youtube Mp3 Downloader is a perfect solution for converting videos to Mp3 format, Full-HD MP4, FLV, 3GP, M4A and AAC formats, with bitrates 64Kbps, 128Kbps, 192Kbps and 320 Kbps.

This addon is WebExtension and fully support for new Firefox Quantum 57.