Tools / File Converter / MKV to 3GP Converter

MKV to 3GP Converter

Convert MKV files to 3GP. Free, without uploading.

This tool converts MKV files to 3GP. MKV (Matroska) is a flexible container that can hold several audio and subtitle tracks. It is common on computers, but phones and TVs don’t always play it.

Legacy mobile phone video. The video is re-encoded. You choose the quality and resolution, and can trim it with a start and end time.

Conversion runs on your device; your file is never sent to a server. The components download once on first use, and later conversions start right away.

How to use

1. Choose the MKV video, drag it in, or paste its link.
2. Choose the quality and resolution; optionally enter trim times.
3. Press "Convert" and download the 3GP file.

Frequently asked questions

How long does MKV to 3GP take?

It runs on your device’s processor. On a computer a one-minute 1080p video usually takes a minute or two; lowering the resolution speeds it up.

Is there a file size limit?

No fixed limit; your device’s memory decides. Computers usually handle files up to 1–2 GB.

Is my file uploaded?

No. Your MKV file is converted to 3GP inside your browser.