Convert OPUS to WMA
OPUS is great for voice messages, calls and streaming at low bitrates, but WMA is the better choice for older Windows PCs and legacy media players. Convert OPUS 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 OPUS to WMA
- 1
Tap Choose files and select one or more OPUS 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.
OPUS 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.
| OPUS | WMA | |
|---|---|---|
| Full name | Opus Audio | Windows Media Audio |
| Type | Audio | Audio |
| Compression | Lossy | Lossy |
| Developed by | IETF / Xiph.Org | Microsoft |
| Introduced | 2012 | 1999 |
| Plays on iPhone | ◐ Partly / with an app | ✕ No |
| Plays on Android | ✓ Yes | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✓ Yes | ✕ No |
About OPUS and WMA
OPUS: Opus is a modern, highly efficient codec used by WhatsApp voice notes, Discord, Zoom and WebRTC calls. It sounds excellent even at very low bitrates.
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 OPUS to WMA on my phone?
Will converting OPUS to WMA reduce quality?
Is this OPUS to WMA converter free?
Are my files uploaded to a server?
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