Convert MP3 to OPUS Online — Free & Fast | AnyConv

MP3 to OPUS Converter

Quickly convert multiple mp3 files to opus — free & online.

Drag & drop your files here or click to upload

How to convert MP3 to OPUS online

Follow these simple steps to convert mp3 files to opus using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your MP3 file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your MP3 into OPUS. The process usually takes just a few seconds.

Download your OPUS

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a MP3 file?

MP3 is one of the most iconic and widely used audio formats in the world. It uses lossy compression to significantly reduce file sizes while maintaining acceptable sound quality. MP3 revolutionized digital music distribution and became the standard format for portable media players and online music sharing.

Thanks to its balance of quality and size, MP3 remains highly relevant for casual listening, streaming, and downloading music. Nearly every media player and device supports it natively.

How to open MP3 files

MP3 files can be opened with virtually any media player: Windows Media Player, iTunes, VLC, Winamp, and countless mobile apps all support the format.

You can also convert MP3 to other formats like AAC or WAV quickly using AnyConv online.

Key facts about MP3

  • Full name: MPEG-1 Audio Layer III
  • Extension: .mp3
  • MIME type: audio/mpeg
  • Developed by: Fraunhofer Society
  • Initial release: 1993

Useful links and resources

What is a OPUS file?

OPUS is a modern, highly flexible audio codec developed by the IETF and Xiph.Org Foundation. It combines the best aspects of Skype’s SILK and Xiph’s CELT codecs to deliver excellent audio quality across a wide range of bitrates and applications — from voice calls to streaming music.

OPUS is especially useful in real-time communication tools like Zoom, Discord, and WebRTC-based browsers. It adjusts dynamically to network conditions, providing smooth and clear sound even with bandwidth fluctuations.

How to open OPUS files

OPUS files are supported by VLC, Foobar2000, Audacity (with plugin), and mobile apps like Opus Player. WebRTC-compatible browsers also support this format.

To convert OPUS to more widely used formats like MP3 or AAC, use AnyConv online for a fast result.

Key facts about OPUS

  • Full name: Opus Audio Codec
  • Extension: .opus
  • MIME type: audio/opus
  • Developed by: IETF / Xiph.Org Foundation
  • Initial release: 2012

Useful links and resources

Convert to OPUS

Want to get a file in OPUS format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into OPUS.

❓ Frequently Asked Questions

Answers to common questions about converting MP3 to OPUS
  • Do I need to register to convert MP3 files?
    Not at all! You can convert MP3 to OPUS without signing up or installing anything.
  • Is it safe to convert MP3 to OPUS on AnyConv?
    Absolutely. All MP3 and OPUS files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting MP3 to OPUS?
    We do our best to preserve the original quality during MP3 to OPUS conversion. The result is accurate and clean.
  • How long does it take to convert MP3 to OPUS?
    Most conversions from MP3 to OPUS take just a few seconds — even for larger files.
  • Can I upload more than one MP3 file?
    Yes, batch conversion is supported. You can convert multiple MP3 files to OPUS at once — fast and easy.
  • What browsers support MP3 to OPUS conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting MP3 to OPUS on any platform.
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