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MP3 to Opus Converter

Choose an MP3 file to convert to an Opus file. Works completely in your browser. Free and no ads.

Select a file to convert

Drop your MP3 file here or choose one from your device

Private and Secure: Files never leave your device. Media conversion runs entirely in your browser.

Quick guide

About MP3 to Opus conversion

MP3MPEG-1 Audio Layer III

MP3 (MPEG-1 Audio Layer III) is a widely used audio format supported by this browser-based converter.

OpusOpus Audio

Opus (Opus Audio) is a widely used audio format supported by this browser-based converter.

Quick guide

How to Convert MP3 to Opus

  1. 01

    Choose your MP3 file

    Select or drag your MP3 file from your device into the converter.

  2. 02

    Convert to Opus

    Choose Opus as the output format, then start the local browser conversion.

  3. 03

    Download your Opus file

    Save the finished Opus file to your device.

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Frequently asked questions

How do I convert MP3 to Opus?

Choose your MP3 file, select Opus, and click Convert. When processing finishes, download the converted file.

Is this MP3 to Opus converter free?

Yes. This converter is free to use, with no account, subscription, or ads.

Are my MP3 files uploaded?

No. Conversion runs locally in your browser, so your media file stays on your device.

What happens when converting MP3 to Opus?

The converter re-encodes the selected audio and creates a file in Opus format.

Which browsers and devices support MP3 to Opus conversion?

The converter works in current desktop browsers on Windows, macOS, Linux, and ChromeOS. Performance depends on file size and device hardware.