Convert M4A to AAC
Free, instant, and secure online converter. Upload your .m4a file and receive a crisp .aac result in seconds.
Need the opposite conversion? Convert AAC to M4A →
How to convert M4A to AAC
Upload Your File
Click the upload zone or drag and drop your .m4a file anywhere on the area.
Start Converting
Hit Convert and our server will process your file instantly with high fidelity preservation.
Download Result
Your .aac file is ready in seconds! Click download. Files auto-delete in 6 hours.
M4A vs AAC: Comparison
| Attribute | M4A (.M4A) | AAC (.AAC) |
|---|---|---|
| Category | audio | audio |
| MIME Type | audio/mp4 | audio/aac |
| Description | M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos. | AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube. |
About These Formats
About M4A files
M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos.
About AAC files
AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube.
Frequently Asked Questions
How do I convert M4A to AAC?
Upload your .m4a file using the box above, or drag and drop it in. We'll automatically convert it to .aac format — just click download when it's ready.
Is it free to convert M4A to AAC?
Yes. Converting M4A to AAC 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 m4a file?
M4A is an audio-only MPEG-4 file format commonly used for music downloads and voice memos.
What is a aac file?
AAC offers better sound quality than MP3 at similar bitrates and is used by Apple Music and YouTube.