Convert MKV to MP3
MKV video → MP3 audio: convert online for free. MKV to MP3 conversion runs right in your browser — your files never leave your device.
Drop files here or choose them
You can also paste files with Ctrl+V
Files never leave your device
About the formats
- MKV video
- Open Matroska container: any video and audio codecs, several audio and subtitle tracks. Common for films and series.
- MP3 audio
- The most widespread lossy audio format. Plays on almost any device.
How to convert MKV to MP3
- Choose a MKV video file or drag it onto the page.
- Check the settings and click Convert.
- Download the MP3 audio file when it is ready.
Frequently asked questions
Is converting MKV to MP3 free?
Yes. Conversion is free, with no sign-up and no watermarks.
Are my MKV files uploaded anywhere?
No. The conversion runs in your browser, so your files never leave your device.
Will the quality change when converting to MP3?
Quality depends on the target format and the settings you choose; lossy formats let you adjust the quality level.