AAC to MP3

Convert AAC audio files to MP3, entirely in your browser.

Choose a file or drag & drop

How to use AAC to MP3

  1. Choose a AAC file.
  2. Click Convert to MP3 and wait for processing.
  3. Download your new MP3 file.

Private AAC to MP3 conversion

Convert AAC streams to MP3 for maximum compatibility with older players.

Conversion is powered by FFmpeg compiled to WebAssembly and runs locally. The engine downloads once on first use, then your media is processed on your own device — nothing is uploaded.

Is there a file size limit?
The only limit is your device's memory, since processing happens in your browser rather than on a server.
Are my files uploaded?
No. Everything is processed locally in your browser, so your files never leave your device.

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