.m4a MPEG-4 Audio (AAC)
M4A Converter
M4A is an MPEG-4 container holding AAC audio. It sounds better than MP3 at the same size and is the default format for iPhone voice memos, Apple Music downloads and many Android recorders.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Working…
Keep this tab open — the conversion runs on your device, nothing is uploaded.
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✓ Done — your files are saved to Downloads
Add more files above to keep converting.
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M4A at a glance
| Full name | MPEG-4 Audio (AAC) |
|---|---|
| Type | Audio |
| Compression | Lossy (compressed) |
| Developed by | Apple / MPEG |
| Introduced | 2001 |
| File extension | .m4a |
| Plays on iPhone | ✓ Yes |
| Plays on Android | ✓ Yes |
| Plays on Windows | ✓ Yes |
| Plays on Mac | ✓ Yes |
M4A is best for high-quality music and voice recordings for Apple and Android devices.
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Convert M4A to…
Convert to M4A from…
MP3 to M4AM4R to M4AAAC to M4AALAC to M4AWAV to M4AFLAC to M4AOGG to M4AOPUS to M4AWEBA to M4AWMA to M4AAIFF to M4AAC3 to M4ACAF to M4AAMR to M4A3GA to M4AAPE to M4AMP4 to M4AMOV to M4AMKV to M4AWEBM to M4AAVI to M4AFLV to M4AWMV to M4A3GP to M4AM4V to M4AMPG to M4ATS to M4AGIF to M4AMTS to M4AVOB to M4AHEVC to M4ARMVB to M4A
Frequently asked questions
What is a .m4a file?
M4A is an MPEG-4 container holding AAC audio. It sounds better than MP3 at the same size and is the default format for iPhone voice memos, Apple Music downloads and many Android recorders.
How do I open a M4A file?
On a computer, VLC Media Player opens almost any .m4a file. On phones, the quickest fix is to convert it to MP3 or M4A above. Those formats play in every music app.
Can I convert M4A for free?
Yes. The converter on this page is free and unlimited, and it works without uploading anything.