Free Tool
Convert MKV
to MP3 for Free.
Upload your Matroska MKV file and get a high-quality MP3 in seconds. Files are processed in your browser, never uploaded.
Free Tool
Upload your Matroska MKV file and get a high-quality MP3 in seconds. Files are processed in your browser, never uploaded.
Join 5M+ users who rely on Zight to increase their productivity
Free Converter
Drag your file here or click to browse
Matroska MKV files, up to 2GB
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How It Works
01
Upload MKV File
Select a Matroska MKV file from your device, or drag it into the box above.
02
Automatic Conversion
The converter runs right in your browser — watch the progress bar as it works.
03
Download MP3
Download your new MP3 file instantly, or convert another one.
File Quality
Strip the audio track from an MKV video and keep it as a small MP3 — for listening, transcribing, or archiving without the video.
FAQ
Yes, completely free. No account or credit card is required.
No. This tool runs entirely in your browser — your files are processed on your own device and never uploaded to a server.
Yes, though processing happens on your device, so very large files take longer on slower machines.
MP3 is one of the most widely supported formats — it works on iOS, Android, Windows, macOS, web browsers, and virtually every player and editor.
No account needed. Files never leave your browser.