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OPUS files.
Converted on your device.

OPUS (Opus audio) belongs to the Audio category. Drop a file below to convert it — the work happens in your browser, nothing is uploaded.

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Opus is a modern open audio codec used by WhatsApp, Discord and WebRTC. It excels at speech and low bitrates.

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Questions

How do I open a OPUS file?

Convert it to a format every app opens, such as MP3 or WAV: drop it into the red box above. The file never leaves your device.

Can I convert OPUS files without uploading them?

Yes. nocloudly converts OPUS files inside your browser, so they are never sent to a server.