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Free online audio converter

Support for all formats. Process your files quickly, with no installation required.

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How to Convert an AAC File

1

enjoy audio. enjoy yourself

Upload the standalone AAC audio.

2

enjoy audio. enjoy yourself

Choose M4A, MP3, WAV, or FLAC

for the new copy.

3

enjoy audio. enjoy yourself

Review the quality settings,

especially when selecting another lossy format.

4

enjoy audio. enjoy yourself

Convert and save

the resulting audio file.

Convert Raw AAC Audio for Wider Use

A Codec You Often Meet Without Seeing

AAC is used inside many streams and MPEG-4 files, but it can also appear as a standalone .aac file. Standalone AAC is efficient, yet some applications are happier with M4A, MP3, WAV, or FLAC.

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Add a Friendlier Container

M4A is a natural destination when you want to keep an AAC-oriented workflow in a container with broad modern support. MP3 helps with older devices; WAV and FLAC are useful when the decoded audio needs to enter a lossless workflow.

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Avoid Unnecessary Re-encoding

AAC is lossy. If the source already sounds good, use sensible settings and avoid repeated conversions between lossy formats. A larger output cannot restore information removed by the first encode.

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Online Conversion with Adjustable Quality

Choose the destination and use the available bitrate, codec, and quality controls. Processing takes place online without requiring a separate encoder.

AAC Converter FAQ

AAC is generally more efficient at comparable bitrates, but the better choice also depends on device support and the quality of the original encode.

M4A is a well-supported container that many apps recognize more consistently than a raw .aac stream.

You can decode it into WAV or FLAC, but audio information previously discarded by AAC compression remains lost.

MP3 is usually the most compatible option for legacy playback equipment.