Convert MP3 to M4A
Free and instant — your MP3 files are processed securely on our servers and deleted right after conversion. Nothing is stored.
How to convert MP3 to M4A
- Step 01
Add your MP3 files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
Your file is sent to our servers, converted and deleted right away — no sign-up, no queue, no waiting.
- Step 03
Download your M4A files
Save each file individually or grab them all at once. Done.
Why convert MP3 to M4A?
Want your MP3 library in iTunes, Apple Music or CarPlay's preferred format? Converting to M4A gives you a file that fits natively into the Apple ecosystem, with the same audio quality.
MP3 vs M4A at a glance
MP3 is the universal audio format — plays on every device and app since the late 90s, smaller than WAV with near-identical quality. M4A is AAC audio in an MPEG-4 container — the format used by iTunes and Apple Music, same quality as AAC with slightly better metadata support.
| Property | MP3 | M4A |
|---|---|---|
| Extension | .mp3 | .m4a |
| Full name | MPEG-1 Audio Layer III | MPEG-4 Audio |
| First released | 1993 | 2001 |
| Developed by | Fraunhofer IIS | Apple / ISO |
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | No | No |
| Best for | music and podcast playback on any device | music purchased or downloaded from Apple services |
MP3 to M4A — frequently asked questions
Is this MP3 to M4A converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Will I lose quality converting to M4A?
M4A uses lossy compression, so the image is re-encoded at high quality (92%). For photos the difference is practically invisible; for text-heavy graphics or logos, a lossless format like PNG preserves sharp edges better.
Does converting MP3 to M4A improve quality?
No — the detail discarded by MP3's lossy compression can't be recovered. The M4A will sound the same, not better.
Is the conversion private?
Audio conversion runs on our servers with ffmpeg — your file is deleted immediately and never stored.
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Need the reverse? Convert M4A to MP3Explore the M4A converter