MKV to MP3 Converter — Free Online, No Upload

Extract audio from MKV (Matroska) files

MKV is an open-source container format best known for high-definition movie rips and screen recordings. Unlike MP4, a single MKV file can carry multiple audio tracks and subtitle streams inside it.

This converter pulls the audio out of your MKV and saves it as a universal MP3, so you can listen to the soundtrack, dialogue, or music on any device without the bulky video.

How to use this MKV to MP3 converter

Click Select MKV File or drag and drop your video into the area below.
The conversion from MKV to MP3 starts automatically.
Your MP3 downloads as soon as it is ready.

Convert your MKV to MP3 now

Select MKV File for Conversion

or drag and drop your MKV file here to convert to MP3.

Why convert MKV to MP3

Smaller files: keep only the audio and drop the video to save space.
Universal playback: MP3 plays on every phone, tablet, and car stereo.
Private by design: the audio is pulled out locally on your machine.
Large files: handles Matroska files up to nearly 2GB.

Frequently Asked Questions

What is an MKV file?

MKV (Matroska) is an open-source container format that can hold video, multiple audio tracks, and subtitles in one file.

Does converting MKV to MP3 keep all audio tracks?

The converter extracts the primary audio track. For files with multiple tracks, it defaults to the main audio stream.

Are my MKV files uploaded to a server?

No. Everything is processed on your device, so your MKV stays private and never travels to any server.

Can I convert large MKV files?

Yes, the converter handles MKV files up to nearly 2GB in size.

Is the MKV to MP3 converter free?

Yes. There is no charge and no cap on how many MKV files you can convert.