M4A Converter
Convert files to and from M4A — free, online, no signup.
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M4A is an audio container introduced with Apple iTunes in 2001, normally holding AAC-encoded audio. It delivers better quality than MP3 at the same bitrate and is the default recording and music format across iPhone, iPad, and Mac.
| Full name | MPEG-4 Audio |
| Developer | Apple / MPEG |
| Released | 2001 |
| Type | Lossy compression |
| Typical use | iPhone voice memos, Apple Music files |
| MIME | audio/mp4 |
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Frequently asked questions
How do I open a M4A file?
M4A is an audio container introduced with Apple iTunes in 2001, normally holding AAC-encoded audio. It delivers better quality than MP3 at the same bitrate and is the default recording and music format across iPhone, iPad, and Mac. If a device refuses to open it, the fastest fix is converting it to a more universal format with the converter above.
Is converting M4A files free?
Yes — 10 conversions a day with files up to 200 MB, free, with no signup and no watermarks.