How to open a .opus file: without installing anything

How to open a .opus file

A .opus is a Opus file: The best quality per kilobyte, especially for speech. What WhatsApp and Discord use. VLC, Apple Music, Windows Media Player, foobar2000, Audacity open it. Or drop it below: it opens and converts in your browser, nothing to install.

Drop files here or click to chooseSeveral files at once are fine.

🔒 Nothing is uploaded. Check the Network tab of your browser: it stays empty.

Three ways to open it

Drop the .opus file above: it opens and converts right here, nothing to install.
For a desktop app: VLC, Apple Music, Windows Media Player, foobar2000, Audacity.
If it still will not open, convert it to MP4, that is what most people are really after.

Convert a .opus

Opus → MP4 Opus → WebM Opus → GIF Opus → MP3 Opus → WAV Opus → M4A Opus → OGG Opus → FLAC

Questions

What program opens a .opus file?

VLC, Apple Music, Windows Media Player, foobar2000, Audacity. Or drop it here, without installing anything.

Why won't my .opus open?

Either the viewer does not know Opus (the best quality per kilobyte, especially for speech. what whatsapp and discord use.), or the file is damaged or misnamed. Converting to MP4 fixes the first case.

Is it safe to open a .opus here?

Yes: the file is read in your browser and never leaves your device.