Convert M4A to WMA
M4A is great for high-quality music and voice recordings for Apple and Android devices, but WMA is the better choice for older Windows PCs and legacy media players. Convert M4A to WMA in seconds, right in your browser.
- 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 M4A to WMA
- 1
Tap Choose files and select one or more M4A files (or drag them in).
- 2
Check that WMA 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 WMA downloads automatically. Converting several files? Grab them all as a ZIP.
M4A vs WMA
Both formats are lossy, so the audio is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| M4A | WMA | |
|---|---|---|
| Full name | MPEG-4 Audio (AAC) | Windows Media Audio |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Developed by | Apple / MPEG | Microsoft |
| Introduced | 2001 | 1999 |
| Plays on iPhone | ✓ Yes | ✕ No |
| Plays on Android | ✓ Yes | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✓ Yes | ✕ No |
About M4A and WMA
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.
WMA: WMA is Microsoft's audio format, common on older Windows PCs, MP3 players and CD rips made with Windows Media Player.
Frequently asked questions
How do I convert M4A to WMA on my phone?
Will converting M4A to WMA reduce quality?
Is this M4A to WMA converter free?
Are my files uploaded to a server?
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