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AAC to FLAC

Turn Advanced Audio Coding (AAC) audio into Free Lossless Audio Codec (FLAC). Control bitrate, sample rate, channels and volume, or cut out just the part you need.

Drop your files here

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Up to 100 MB per file · 5 files at once

Tip: you can also paste files with Ctrl + V

Secure transfer. Files are deleted automatically after 60 minutes. 25 conversions left today

How it works

  1. 1

    Add your files

    Drag and drop files into the box or choose them from your device.

  2. 2

    Choose your settings

    Pick the output format and options, then click “Convert”.

  3. 3

    Download

    Download your result instantly or share a temporary link.

AAC — Advanced Audio Coding

AAC (Advanced Audio Coding) is an audio format. Converting it lets you balance compatibility, file size and sound quality.

FLAC — Free Lossless Audio Codec

FLAC (Free Lossless Audio Codec) is an audio format. Converting it lets you balance compatibility, file size and sound quality.

  • Private & secure. Encrypted transfer and automatic deletion.
  • Fast. Optimised engines process files in seconds.
  • Free. No registration required for core tools.
  • High quality. Fine-tune quality, resolution and more.