Convert AAC to M4A
Free, instant, and secure online converter. Upload your .aac file and receive a crisp .m4a result in seconds.
Need the opposite conversion? Convert M4A to AAC →
How to convert AAC to M4A
Upload Your File
Click the upload zone or drag and drop your .aac file anywhere on the area.
Start Converting
Hit Convert and our server will process your file instantly with high fidelity preservation.
Download Result
Your .m4a file is ready in seconds! Click download. Files auto-delete in 6 hours.
AAC vs M4A: Comparison
| Attribute | AAC (.AAC) | M4A (.M4A) |
|---|---|---|
| Category | audio | audio |
| MIME Type | audio/aac | audio/mp4 |
| Description | AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube. | M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos. |
About These Formats
About AAC files
AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube.
About M4A files
M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos.
Frequently Asked Questions
How do I convert AAC to M4A?
Upload your .aac file using the box above, or drag and drop it in. We'll automatically convert it to .m4a format — just click download when it's ready.
Is it free to convert AAC to M4A?
Yes. Converting AAC to M4A is completely free, with no watermarks, no signup, and no limit on how many files you convert.
Is it safe to convert files here?
Yes. Files are processed securely and automatically deleted from our servers a few hours after conversion. We never share or view the contents of your files.
What is a aac file?
AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube.
What is a m4a file?
M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos.