Convert MKV to 3GP Online
Need 3GP instead of MKV? This free converter changes MKV files into 3GP in seconds, right in your browser.
How to convert MKV to 3GP
- Upload your MKV 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 MKV to 3GP?
Converting MKV to 3GP is usually about reach: 3GP works well for legacy mobile video, feature-phone recordings, while MKV is more at home in movies, TV rips, multi-audio and multi-subtitle releases.
MKV vs 3GP: key differences
| MKV | 3GP | |
|---|---|---|
| File type | open container | lossy |
| Typical use | movies, TV rips, multi-audio and multi-subtitle releases | legacy mobile video, feature-phone recordings |
| Compatibility | Supported by VLC, mpv, Plex and most desktop players, but not natively by some mobile devices. | Obsolete on modern phones; convert to MP4 for playback. |
Tips for a clean MKV to 3GP conversion
- Supported by VLC, mpv, Plex and most desktop players, but not natively by some mobile devices.
- Use the highest-quality source MKV 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 MKV until you have checked the converted 3GP opens the way you expect.
Frequently asked questions
How do I convert MKV to 3GP?
Upload your MKV 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 MKV 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 MKV 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 MKV if you may need to convert again later.
What is a MKV file?
MKV is a flexible open-source container that can hold unlimited video, audio, subtitle and chapter tracks. Its technical name is Matroska Video and it is typically used for movies, TV rips, multi-audio and multi-subtitle releases.
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 MKV 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.