MP4 to M4A

Turn MP4 into M4A with the output already selected for this page. Free batch processing with no signup or watermark.

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How to convert MP4 to M4A

1
Add one or more MP4 files. You can review the complete batch before processing it.
2
M4A is already selected for this page. Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.
3
Start the batch, then download and check the finished M4A file or files.

What changes when you convert MP4 to M4A?

This conversion removes the picture from the MP4 file and saves its audio track as M4A. Video resolution and frame rate do not carry into the result.

Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.

Open the finished M4A file and check fine details, layout and compatibility in the app where you plan to use it.

What is a MP4 file?

MP4 is a widely supported container for video and audio. Compatibility and file size depend on the codecs and settings used inside it, which is why MP4 with H.264 video and AAC audio is a common choice for sharing and uploading.

How to open a MP4 file

MP4 is widely supported by browsers, phones, smart TVs and desktop players. Playback still depends on the video and audio codecs stored inside the file.

What is a M4A file?

M4A is an audio format that usually holds AAC-encoded sound in an MP4 container. It is Apple’s standard for music downloads and voice memos, offering great quality at small sizes and playing natively across the Apple ecosystem.

How to open a M4A file

M4A plays in Apple Music/iTunes, QuickTime, VLC and most modern media players; on older devices, convert it to MP3.

Frequently asked questions

Is it free to convert MP4 to M4A?

Yes. There is no sign-up, subscription or watermark on the converted file.

What happens to quality when MP4 becomes M4A?