MP3 to OPUS Converter
Need to convert this file type? Drop it below — or drop any other file and we'll auto-switch. Outputs are auto-deleted after 2 hours; share links expire after 4.
Or paste a link to a file
Drop multiple images to combine them into one PDF, Word document, or PowerPoint presentation — or convert each image separately.
Drop
Drag your MP3 file or click to browse.
Convert
OPUS is preselected, or pick a different format below.
Download
Get your file or share a 1-hour link.
Convert MP3 to OPUS online
Use this MP3 to OPUS converter to turn MP3 files into OPUS right in your browser — ideal for music, podcasts and playback.
When should you convert MP3 to OPUS?
- When you need it for music
- When you need it for podcasts
- To open your files in apps that prefer OPUS
- To share OPUS files more easily
What happens to your file
The MP3 audio is decoded and re-encoded to OPUS with libopus at 128 kbps. There is no video stream involved, so the job is quick even for long recordings.
Settings this conversion runs with
| Engine | ffmpeg |
|---|---|
| Output codec | libopus |
| Setting | 128 kbps |
| Compression | Lossy |
What changes
- Both MP3 and OPUS are lossy, so this is a second compression pass over already-compressed audio. It is fine for everyday listening and bad for archiving.
- Cover art, lyrics, and most tags are not carried across — the output keeps the audio, not the metadata around it.
About MP3 and OPUS files
MP3 audio
Strengths
- plays on everything
- small files
- the audio standard
Limitations
- lossy quality
- no surround sound
OPUS audio
Strengths
- good for sound
Limitations
- quality depends on compression
MP3 vs OPUS
| Format | MP3 | OPUS |
|---|---|---|
| Compression | Lossy | — |
| Transparency | — | — |
| Best for | music and podcasts, extracted audio | music, podcasts |
Related tools
Frequently asked questions
- Does converting MP3 to OPUS re-encode the file?
- The MP3 audio is decoded and re-encoded to OPUS with libopus at 128 kbps. There is no video stream involved, so the job is quick even for long recordings.
- What should you know before converting MP3 to OPUS?
- Both MP3 and OPUS are lossy, so this is a second compression pass over already-compressed audio. It is fine for everyday listening and bad for archiving.
- Is this MP3 to OPUS converter free?
- Yes. You can convert MP3 to OPUS online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. Use the converter from your browser without installing software or creating an account. Files are uploaded to our servers for processing.
- Are my files safe?
- Yes. Files are processed only to complete the conversion and are auto-deleted after 2 hours. We never share them.
- Can I convert multiple MP3 files at once?
- Yes. Drop several files to convert them in a batch and download the results as a single ZIP.