Convert Opus to OGG
This free Opus to OGG converter changes your Opus Audio (.opus) file into a Ogg Vorbis (.ogg) file, right in your browser. There is nothing to install, no account to create, and no limit on how many files you convert.
100% private. Your file is processed locally in your browser with WebAssembly — it is never uploaded to a server, stored, or seen by anyone.
The conversion runs on your own device using ffmpeg compiled to WebAssembly (ffmpeg.wasm), so your file is never uploaded to a server. OGG is best for open-source apps and games, which is the usual reason to convert from Opus.
Why convert Opus to OGG?
- Opus and OGG are similarly compatible, so you are mainly changing the container.
- Expect a larger file: OGG (small) is less compressed than Opus.
- Pick OGG when you need a file made for open-source apps and games.
Opus vs OGG
| Property | Opus | OGG |
|---|---|---|
| Full name | Opus Audio | Ogg Vorbis |
| Container | Ogg | Ogg |
| Typical codec | Opus | Vorbis |
| Compatibility | Modern players | Modern players |
| Lossless | No | No |
| Best for | Low-bitrate voice and streaming | Open-source apps and games |
How to convert Opus to OGG
Add your Opus file
Drag and drop your .opus file onto the upload area, or click to browse and pick it from your device.
Start the conversion
Click "Convert to OGG". Everything runs locally with ffmpeg compiled to WebAssembly (ffmpeg.wasm) - your file stays on your device.
Wait a few seconds
A progress bar shows the conversion. The first run is slightly slower while the engine loads, then it is cached.
Download your OGG file
When it finishes, download the .ogg file straight to your device.
Frequently asked questions
Is this Opus to OGG converter free?
Are my files uploaded to a server?
Will I lose quality converting Opus to OGG?
Will the file get smaller or larger?
What is the difference between Opus and OGG?
How long does the conversion take?
Related conversions
Need more formats or options? Use the full Audio Converter.