Convert WMV to M4A
Extract the audio from WMV videos and save it as M4A — ideal for high-quality music and voice recordings for Apple and Android devices.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert WMV to M4A
- 1
Tap Choose files and select one or more WMV files (or drag them in).
- 2
Check that M4A is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your M4A downloads automatically. Converting several files? Grab them all as a ZIP.
WMV vs M4A
Only the sound is kept — the picture is dropped, so the M4A file is far smaller than the WMV video.
| WMV | M4A | |
|---|---|---|
| Full name | Windows Media Video | MPEG-4 Audio (AAC) |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Developed by | Microsoft | Apple / MPEG |
| Introduced | 1999 | 2001 |
| Plays on iPhone | ✕ No | ✓ Yes |
| Plays on Android | ◐ Partly / with an app | ✓ Yes |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✕ No | ✓ Yes |
About WMV and M4A
WMV: WMV is Microsoft's video format for Windows Media Player and older Windows PCs.
M4A: M4A is an MPEG-4 container holding AAC audio. It sounds better than MP3 at the same size and is the default format for iPhone voice memos, Apple Music downloads and many Android recorders.
Frequently asked questions
How do I convert WMV to M4A on my phone?
Will converting WMV to M4A reduce quality?
Can I convert only part of the WMV?
Is this WMV to M4A converter free?
Are my files uploaded to a server?
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