MKV to 3GP Converter (.mkv to .3gp)

Convert Matroska Multimedia Container (.mkv) files to 3GPP Mobile Multimedia Container (.3gp) directly on your device. MKV is commonly used for remuxing obs studio recordings to mp4 for premiere/davinci resolve or extracting audio tracks, while 3GP is ideal for restoring and converting old mobile phone videos into modern mp4 files. Every conversion runs locally in your browser with zero server uploads.

100% On-Device Processing • Files Never Leave Your Browser (0 KB Uploaded)

Why Convert MKV to 3GP Locally?

Convert raw OBS recordings locally in seconds without waiting on cloud uploads. Unlike cloud converters that upload your .mkv files to remote servers, Artoons processes your files directly on your device.

How to Convert MKV to 3GP

  1. Download the free Artoons Desktop App to enable the native MKV conversion engine.
  2. Drop your .mkv files or folders into the queue and select 3GP (.3gp).
  3. Click Convert to save your .3gp files locally with no file size limits.

Frequently Asked Questions

Do my MKV files ever get uploaded anywhere?

Never — 100% of the conversion runs locally inside your own device memory with 0 KB sent over the network.

Will MKV to 3GP look or sound worse?

Both MKV and 3GP keep crisp detail when swapped locally on your own hardware. You can also tweak output quality in Preferences anytime.

How big of a .mkv file can I convert here?

Supported up to 200 MB in the browser and unlimited size with native FFmpeg in the Desktop App.

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