MP4 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.
Preset: MP4 → OPUS · or drop a different file and we'll auto-switch
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1
Drop
Drag your MP4 file or click to browse.
2
Convert
OPUS is preselected, or pick a different format below.
3
Download
Get your file or share a 1-hour link.
Convert MP4 to OPUS online
Use this MP4 to OPUS converter to turn MP4 files into OPUS right in your browser — ideal for music, podcasts and playback. OPUS is valued for being good for sound, while MP4 comes with a tradeoff: lossy compression.
When should you convert MP4 to OPUS?
- To extract the audio from your video as OPUS
- To get OPUS's built-in advantage: good for sound
- To move past MP4's common limitation: lossy compression
- To open your files in apps that prefer OPUS
About MP4 and OPUS files
MP4 video
Strengths
- plays almost everywhere
- good quality-to-size
- widely supported
Limitations
- lossy compression
- less flexible than MKV
OPUS audio
Strengths
- good for sound
Limitations
- quality depends on compression
MP4 vs OPUS
| Format | MP4 | OPUS |
|---|---|---|
| Compression | Lossy | — |
| Transparency | — | — |
| Best for | streaming and sharing and playback on any device | music and podcasts |
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Frequently asked questions
- Is this MP4 to OPUS converter free?
- Yes. You can convert MP4 to OPUS online for free, with no account and no watermark.
- Do I need to install software or sign up?
- No. The conversion runs entirely in your browser — no installs and no account required.
- Why convert to OPUS instead of staying with MP4?
- OPUS is known for being good for sound — that's what you gain by converting instead of keeping the MP4 file.
- 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 MP4 files at once?
- Yes. Drop several files to convert them in a batch and download the results as a single ZIP.