Opus Viewer

Preview Opus files live in your web browser

Designate your files

Drop your files here for web-optimized processing

*Files deleted after 24 hours

Or set your files here

Opus Viewer: How to play OPUS files

1. Click the upload button or drag your OPUS file

2. Wait for the OPUS file to load

3. Click play to start playback

4. Use the controls to pause, seek, or adjust volume

Opus Viewer FAQ

What is the Audio Viewer?

This free online audio player lets you preview MP3, WAV, AAC, FLAC and other audio files live in your web browser devoid of installing any software.

What audio formats are included?

We accept all major audio formats including MP3, WAV, AAC, FLAC, OGG, M4A, WMA, AIFF, and Opus.

Can I create a playlist?

Yes, simply upload diverse audio files and they will be added to your playlist. Click any track to play it.

Are my audio files delivered?

No, audio files are played locally in your web browser. They are not delivered to our data centers.

Can I use this on mobile?

Yes, our audio player works on all setups including smartphones and tablets.

Can I play diverse files at once?

You can open diverse browser tabs to play different files simultaneously. Each player instance operates independently.

Does the player work on mobile setups?

Yes, our player is 100% scalable and works on smartphones and tablets. You can preview files on iOS, Android, and any equipment with a present-day web web browser.

Which browsers accept the player?

Our player works with all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. We recommend keeping your browser updated for the best playback session.

Are my files kept classified when playing?

Yes, your files remain absolutely classified. Files are played locally in your web browser and are never delivered to our data centers. Your payload stays on your equipment.

What if the file does not preview?

If playback does not start, try refreshing the page or re-uploading the file. Safeguard your browser accepts the file format and that the file is not corrupted.