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Convert MKV to MP3

MKV is a flexible video container common for films and recordings, and often the part you want is the sound. This takes the audio track out of the video and re-encodes it to MP3, so you get just the audio in a format that plays on essentially everything, at a fraction of the size.

Also known as: MKV to MP3 converter · extract audio from MKV · Matroska audio to MP3

Files up to 95 MBTypically under a minute

Encrypted upload · deleted right after conversion

Your files are deleted automatically

Uploads are removed as soon as processing finishes, and converted files are deleted after 1 hour. Read our privacy policy.

How to convert MKV to MP3

  1. Step 1

    Add your MKV file

    Drag your MKV file into the box, or choose it from your device. It can be up to 95 MB.

  2. Step 2

    Choose your settings

    Adjust Audio quality (192 kbps), or keep the starting values in brackets, which suit most files. More are under Advanced options.

  3. Step 3

    Press Convert to MP3

    The work happens on our servers, and you can follow its progress. Long recordings take longer.

  4. Step 4

    Download your MP3 file

    Your upload is already deleted, and the result is deleted after one hour.

Why convert MKV to MP3?

  • Saving the soundtrack or dialogue from an MKV film clip
  • Turning a recorded talk stored as MKV into a listenable MP3
  • Making an audio-only copy to play on a phone or in the car
  • Pulling the sound out of a screen recording

MKV vs MP3

Comparison of MKV and MP3
PropertyMKVMP3
ContainsVideo and audioAudio only
FormatMKV (Matroska)MP3
File sizeLargeMuch smaller
Best forWatchingListening anywhere

Frequently asked questions

Page updated

All Audio converters

Extract the audio track from an MP4 video and save it as an MP3 file.

Convert MKV (Matroska) videos into universally playable MP4.

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Pull the audio out of a QuickTime MOV video and save it as a universally playable MP3.