MP3 to AAC Converter

AAC generally sounds better than MP3 at the same file size. It's also the format Apple devices expect for audio playback.

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 AAC 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 AAC files one at a time or download them all as a ZIP.

Features

Supported Formats

FAQ

Why convert MP3 to AAC?

AAC generally sounds better than MP3 at the same file size. It's also the format Apple devices expect for audio playback.

How do I convert MP3 to AAC?

Drop your MP3 files onto this page, pick your quality settings for AAC 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 AAC (Advanced Audio Coding)?

AAC sounds better than MP3 at the same bitrate and is the default audio format on Apple devices. If you listen on an iPhone, iPad, or through iTunes, your music is probably AAC.

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.

Other conversions from MP3

Other ways to get AAC

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