Convert OPUS to 3GP Online
Need 3GP instead of OPUS? This free converter changes OPUS files into 3GP in seconds, right in your browser.
How to convert OPUS to 3GP
- Upload your OPUS file. Drag it onto the box above or click to browse. Files up to 200 MB are accepted.
- Choose 3GP as the output. The target format is pre-selected on this page — just press “Convert now”.
- Download the result. Conversion runs on our own server and the download starts as soon as it is ready. Your files are deleted automatically.
Why convert OPUS to 3GP?
OPUS is the most efficient modern audio codec, ideal for voice, video calls and streaming. 3GP is a low-bandwidth format designed for older mobile phones. That difference is exactly why converting between them is so common: 3GP is the better choice for legacy mobile video, feature-phone recordings.
OPUS vs 3GP: key differences
| OPUS | 3GP | |
|---|---|---|
| File type | lossy | lossy |
| Typical use | VoIP, video conferencing, web streaming, podcasts | legacy mobile video, feature-phone recordings |
| Compatibility | Best-in-class efficiency; supported in Chrome, Firefox and modern apps. | Obsolete on modern phones; convert to MP4 for playback. |
Tips for a clean OPUS to 3GP conversion
- Best-in-class efficiency; supported in Chrome, Firefox and modern apps.
- Use the highest-quality source OPUS you have — converting a compressed file again cannot restore lost detail.
- If you only need a smaller file, try a lower resolution or bitrate instead of a different format.
- Keep the original OPUS until you have checked the converted 3GP opens the way you expect.
Frequently asked questions
How do I convert OPUS to 3GP?
Upload your OPUS file to the converter on this page, make sure 3GP is selected as the output format and click “Convert now”. When the conversion finishes the download starts automatically.
Is this OPUS to 3GP converter free?
Yes — it is completely free and needs no account. Files up to 200 MB are accepted, and heavy use is rate-limited so the service stays available for everyone.
Will converting OPUS to 3GP reduce quality?
3GP uses lossy compression, so the converted file is re-encoded. Quality loss is minimal at sensible settings, but keep the original OPUS if you may need to convert again later.
What is a OPUS file?
OPUS is the most efficient modern audio codec, ideal for voice, video calls and streaming. Its technical name is Opus and it is typically used for VoIP, video conferencing, web streaming, podcasts.
What is a 3GP file?
3GP is a low-bandwidth format designed for older mobile phones. Its technical name is 3GPP Multimedia and it is typically used for legacy mobile video, feature-phone recordings.
Can I convert OPUS to 3GP on my phone?
Yes. The converter runs in the browser on Android, iOS, Windows, macOS and Linux — no app installation is required.
Are my files kept on the server?
No. Uploaded files and converted results are deleted automatically a short time after the conversion finishes.