MP4→M4A
MP4 to M4A
Strip audio from MP4 and save as M4A. Small files, works on all Apple devices.
or drag and drop your file
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How to convert MP4 to M4A
Three steps to an M4A file
11. Upload your MP4
Click “Upload” or drag a video onto the page. Files up to 100 MB accepted.
22. Choose M4A settings
M4A is pre-selected. Optionally adjust bitrate or keep source quality, then hit “Convert”.
33. Download the M4A
Conversion finishes in seconds. Add the file to your Apple Music library or any AAC-compatible player.

Compact AAC audio
M4A uses AAC encoding, which delivers better sound than MP3 at the same bitrate. Smaller files, good quality.

Other formats too
Need MP3, WAV, FLAC or WMA instead? Convert to dozens of audio and video formats in the same interface.
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FAQ
M4A gives you just the audio in a compact AAC format. It works natively on iPhone, iPad, iTunes and Apple Music.
At the same bitrate, M4A (AAC) generally sounds better than MP3. It is also the default format for Apple devices.
Yes. Most modern Android players and Windows 10/11 handle M4A natively. VLC plays it on any platform.
Videos up to 100 MB are accepted. Larger files take a bit longer but follow the same process.
All transfers use HTTPS. Files are processed in memory and deleted from our servers within minutes after conversion.