Convert WMA to M4A
Free, fast and secure — convert WMA to M4A right in your browser.
WMA
M4A
Convert WMA to M4A for wider compatibility
Converting WMA to M4A gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMA will not play nicely everywhere.
How to convert WMA to M4A
- 1 Drop your WMA file into the converter above.
- 2 It is converted to M4A automatically — no settings to fiddle with.
- 3 Download your new M4A file instantly.
WMA vs M4A
| Feature | WMA | M4A |
|---|---|---|
| Compression | Lossy | Lossy |
| MIME type | audio/x-ms-wma | audio/mp4 |
| Best for | Legacy Windows audio — converted to MP3 for universal playback. | High-quality music and voice on Apple devices and modern apps. |
About the formats
WMA
Windows Media Audio
WMA is Microsoft’s audio format, once common on Windows for music and playback. It compresses well but has limited support outside the Windows ecosystem.
Strengths
- Plays natively on Windows
- Decent compression
- Small files
Limitations
- Weak support on Mac, mobile and web
- Lossy compression
- Often needs converting
Best for: Legacy Windows audio — converted to MP3 for universal playback.
M4A
M4A (AAC) audio
M4A holds AAC audio, the default for Apple Music and iTunes. It generally sounds better than MP3 at the same bitrate and is well supported on modern devices.
Strengths
- Better quality than MP3 at equal size
- Default on Apple platforms
- Efficient, modern codec
Limitations
- Slightly less universal than MP3
- Lossy compression
- Occasional legacy-player issues
Best for: High-quality music and voice on Apple devices and modern apps.
Frequently asked questions
Upload your WMA file above and it is converted to M4A automatically. When it is ready, download your new M4A (AAC) audio — the whole thing takes just a few seconds in your browser.
Converting WMA to M4A gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMA will not play nicely everywhere.
Converting between compressed formats can introduce minor changes, but our converter keeps your M4A looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.