MP3 to M4A Converter

M4A is what Apple uses for audio files. Convert your MP3s to M4A if you're organizing music in iTunes or Apple Music.

audio_file

Drag & drop audio files here, or browse

Drop your MP3 files here

How It Works

  1. Add your MP3 files Drag and drop MP3 files onto the page, or click to pick them from your file browser.
  2. Pick your settings Choose quality settings for M4A output like bitrate, quality level, or compression.
  3. Convert Click convert and FFmpeg WebAssembly processes your files right in the browser. Nothing gets uploaded.
  4. Download Grab your converted M4A files one at a time or download them all as a ZIP.

Features

Supported Formats

FAQ

Why convert MP3 to M4A?

M4A is what Apple uses for audio files. Convert your MP3s to M4A if you're organizing music in iTunes or Apple Music.

How do I convert MP3 to M4A?

Drop your MP3 files onto this page, pick your quality settings for M4A output, and click Convert. Everything runs in your browser and nothing is uploaded.

What is MP3 (MPEG Audio Layer III)?

MP3 is the most widely used audio format. It works on basically every device and player out there. The tradeoff for small file sizes is some quality loss, but at higher bitrates most people can't tell the difference.

What is M4A (MPEG-4 Audio)?

M4A is the container Apple uses for AAC audio. Same codec as AAC, just in a different wrapper. iTunes, Apple Music, and all Apple devices use M4A by default.

Are my files private?

Yes. All conversion happens in your browser using WebAssembly. Your audio files never leave your device and aren't uploaded anywhere.

Is there a file size limit?

There's no hard limit, but very large files (over 2 GB total) may be slow or run into browser memory constraints.