Free YouTube to MP3 Converter Alternatives for Mac OS X

MediaHuman YouTube To MP3 Converter expertly extracts audio from popular video and audio hosting sites like YouTube, Vimeo, Dailymotion, and SoundCloud, converting it directly to high-quality MP3 format. Ideal for building your offline music library, it supports single downloads, playlists, and channels with a user-friendly interface.

4K Video Downloader is a powerful and user-friendly application designed for downloading high-quality videos, audio, and subtitles from YouTube. It supports various resolutions, including 4K, and allows downloading entire playlists and channels with ease. The software offers a clean interface and robust functionality for offline media consumption.

youtube-dl is a versatile command-line program designed for downloading videos from YouTube and a multitude of other video hosting websites. It supports downloading individual videos, entire playlists, and even extracting audio.

Any Video Converter is a versatile multimedia tool designed for converting video and audio files between various formats. It also includes features for downloading online videos, burning DVDs, recording screen activity, and basic video editing, making it a comprehensive solution for diverse video management needs.

ClipGrab is a versatile and free tool for downloading videos from popular online platforms like YouTube, Vimeo, and Dailymotion. It supports various video formats, resolutions, and also allows converting videos to audio files, making it a comprehensive solution for offline media access.

A feature-rich browser extension for Firefox that allows users to effortlessly download YouTube videos and convert them to various audio and video formats, including MP3 and MP4. It's an open-source solution designed for simplicity and efficiency in media acquisition.

TubeMaster++ is a network-based multimedia downloader capable of capturing FLV, MP4, and MP3 files from various online sources. It includes an integrated search, video conversion tools, and browser extensions for streamlined downloading.

Airy YouTube Downloader is a dedicated application designed for effortless downloading of YouTube videos on both Mac and Windows platforms. It supports various formats and resolutions, making it a versatile tool for offline media consumption and conversion.

Easy YouTube Video Downloader Express is a versatile browser add-on designed to simplify the process of downloading YouTube videos and converting them to various formats, including MP3 and MP4. It integrates directly into your browser for convenient access.

4K YouTube to MP3 is a dedicated application designed for effortless audio extraction from popular video platforms like YouTube, Vimeo, and Facebook. It allows users to save audio in high-quality formats such as MP3, M4A, and OGG, making it ideal for creating music libraries or enjoying audio content offline.

FLVto is an online service providing users with the ability to download videos from popular platforms like YouTube, Facebook, and Dailymotion, primarily converting them to the MP3 audio format for easy listening offline. It aims to simplify the process of obtaining audio from online video content.