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MP4 → M4A (no re-encode)

Extract the AAC track directly from your video without re-encoding. It’s the fastest and cleanest way to get an M4A file.

Fast & lightweight
No re-encode — just extracts the AAC audio stream.
Privacy-first
Processed transiently; files are not retained after download.
Great for editing
Clean M4A output that drops into DAWs or podcasts workflows.

Supported inputs: MP4, MOV, and most common video containers with AAC audio.

O narzędziu

This tool extracts the audio track from an MP4 file and saves it as an M4A container—typically without re-encoding when the source audio is already AAC. That means faster processing and minimal quality loss compared to transcoding.

Use it when you want to keep the original audio quality and reduce time spent converting. M4A is widely supported on modern devices and is a common format for podcasts and mobile playback.

If you need maximum compatibility with older players or certain workflows, convert to MP3 instead. Choose based on where the audio will be used.

FAQ

›What does “no re-encode” mean?
It means the tool copies the audio stream as-is (when compatible), avoiding transcoding and preserving original quality.
›Will this always be no re-encode?
Only when the source audio codec is compatible (commonly AAC). Otherwise a conversion step may be required by the underlying pipeline.
›Why is M4A smaller than MP3 sometimes?
AAC in M4A can be more efficient than MP3 at similar perceived quality.
›Is M4A supported everywhere?
Most modern devices and apps support it, but MP3 is still the most universally compatible.
›Can I edit the extracted audio?
Yes. You can trim, normalize or change speed using the related audio tools.

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