turnformatMP4
MP4 is the most compatible video format: it plays on any phone, computer, TV or website, and stays small thanks to the H.264 codec.
Convert MP4 to M4A
Upload your files and download them converted in seconds.
Drop your files here
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Choose filesUp to 50 MB per file and 20 files at once
How to convert MP4 to M4A
This tool converts MP4 files to M4A right in your browser. There's nothing to install and no account to create: upload the file, pick M4A and download it.
Upload your MP4 file: drag it onto the upload area or click “Choose files”.
Check that the target format is M4A and click “Convert”.
Download your M4A file as soon as it's ready.
What changes when you convert MP4 to M4A
- Only the sound is kept: the M4A has no picture.
| Feature | MP4 | M4A |
|---|---|---|
| Moving picture | Yes | No |
| Sound | Yes | Yes |
About the formats
M4A
M4A is Apple's audio format (AAC). It sounds better than an MP3 of the same size and is what iPhone voice memos use.
Frequently asked questions
Is it free to convert MP4 to M4A?
Yes. Conversion is free, you don't need an account and the result has no watermark. You can upload files of up to 50 MB.
Do I lose quality converting MP4 to M4A?
Length and, for video, resolution are kept. If the M4A uses lossy compression, a high quality setting is used so the difference is barely noticeable.
Is it safe to upload my files?
Your files are only used for the conversion and are deleted automatically after 60 minutes. They're never shared with anyone.
Can I convert several MP4 files at once?
Yes. You can upload up to 20 files at once and convert them all with “Convert all”.
Does it work on mobile, Mac and Windows?
Yes. It works in any modern browser, on desktop and mobile, with nothing to install.