Convert MP4 to MP3 on Mac

Pull the audio out of any video file — free, unlimited, and entirely on your Mac.

Drop your MP4 files into AudioRoo’s pouch, choose MP3, and hit Convert. MP3 conversion in AudioRoo is completely free — no trial limits, no account, no subscription, and nothing gets uploaded. Your files never leave your Mac.

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How to convert MP4 to MP3

1

Drop your files

Drag MP4 files — or a whole folder of them — into the pouch. Subfolders welcome; AudioRoo queues everything with audio inside.
2

Choose MP3

Pick MP3 as the output and choose where the files should go — alongside the originals, or a favorite destination.
3

Hit Convert

The roo hops, the audio track lands as MP3. Batches run in parallel, tuned to your Mac's performance cores.
mp4 to mp3 conversion screenshot

Extracting audio from video: what to know

Converting MP4 to MP3 is really extraction — the MP4 is a container holding video and audio tracks together, and AudioRoo pulls the audio track out and re-encodes it as MP3. Lectures, recorded calls, screen captures, concert footage you own: if there’s audio data in it, AudioRoo will find it.

This works with more than just MP4, too — MOV and most other video containers FFmpeg can read are fair game. AudioRoo defaults to high-quality VBR encoding, but if you need a specific bitrate for a device or platform then advanced mode opens the full CBR bitrate ladder, sample rates, and channel options.

All conversion guides

Yes. MP3 conversion in AudioRoo is free forever — batch processing and advanced settings included. Other output formats have a one-time unlock, but MP3 never costs anything.

Yes. Drop in folders with subfolders and AudioRoo can mirror your folder structure at the destination or flatten everything into one place — it remembers your choice.

No. AudioRoo runs entirely on your Mac, powered by a native ARM build of FFmpeg. Nothing is uploaded, nothing is collected. Works offline.

Almost anything FFmpeg can open — MP4, MOV, and most other common video containers. If there’s an audio track inside, AudioRoo will find it and convert it.

Where the format supports it, yes — AudioRoo preserves source metadata and embedded artwork when converting to MP3 and other tag-friendly formats.