Convert WMV to M4A
Free, fast and secure — convert WMV to M4A right in your browser.
WMV
M4A
Pull the audio out of your WMV as M4A
Converting WMV to M4A extracts a clean audio track from your video, giving you a compact M4A (AAC) audio you can play, share or add to a playlist without the video.
How to convert WMV to M4A
- 1 Drop your WMV file into the converter above.
- 2 It is converted to M4A automatically — no settings to fiddle with.
- 3 Download your new M4A file instantly.
WMV vs M4A
| Feature | WMV | M4A |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/x-ms-wmv | audio/mp4 |
| Best for | Legacy Windows video — converted to MP4 for modern sharing. | High-quality music and voice on Apple devices and modern apps. |
About the formats
WMV
Windows Media Video
WMV is Microsoft’s video format, once common on Windows for streaming and playback. It compresses well but is dated and poorly supported outside Windows.
Strengths
- Good compression for its era
- Plays natively on Windows
- Small files
Limitations
- Weak support on Mac, mobile and web
- Dated codec
- Often needs converting
Best for: Legacy Windows video — converted to MP4 for modern sharing.
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 WMV 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 WMV to M4A extracts a clean audio track from your video, giving you a compact M4A (AAC) audio you can play, share or add to a playlist without the video.
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.