MKV to WAV Converter
Convert MKV (Matroska) video files into uncompressed WAV audio. The right path when you need to import the audio into a DAW, edit with plugins, or archive at the highest possible quality.
Drop your MKV file here or click to browse
MKV (.mkv) · Max 20 MB
Free — 10-second preview, 5 conversions/month. Upgrade for unlimited
What is MKV?
Matroska Video container — the most popular open-source video format. Used by movie/show downloads, anime, BD/UHD rips, recording software (OBS), and streaming archives. Extract the audio track without re-encoding the video.
What is WAV?
Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.
Why Convert MKV to WAV?
MKV files can contain very high-quality audio (lossless FLAC, DTS-HD MA, Dolby TrueHD, or PCM in some cases). Extracting to WAV preserves the audio in an uncompressed container that decodes instantly with no codec layer. WAV files are large but they work cleanly in every DAW (Logic Pro, Ableton, Reaper, Pro Tools), every video editor (Premiere, DaVinci Resolve, Final Cut), and every audio tool ever made. Use this when you need maximum compatibility for editing, mastering, archival, or any further processing — converting to lossy MP3/AAC at this stage would compound any artifacts from the source codec, while WAV gives the cleanest possible decode of whatever the MKV contained. Conversion runs entirely in your browser, so private recordings and proprietary content never leave your device.
Who Uses This Converter
Soundtrack mastering from movie rips
Extract movie/show audio as lossless WAV for mastering, mixing, or audio restoration work in a DAW.
Lecture/podcast post-production
Recorded talks or lectures saved as MKV need to be edited cleanly. WAV import preserves quality through EQ, noise reduction, and final mastering.
Speech-to-text and transcription
Transcription engines work best with WAV input. Extract MKV audio cleanly without forcing the speech engine to decode video first.
Lossless archive of recordings
Some MKV recordings are themselves lossless. Extract as WAV to archive in a future-proof, universally-readable format.
Frequently Asked Questions
Why convert MKV to WAV instead of MP3?
WAV is the right choice when you plan to edit, process with plugins, archive, or import into a DAW. WAV avoids any additional lossy encoding step, preserves the source quality, and decodes with zero codec overhead in any audio tool. MP3 is smaller and fine for direct playback, but a re-encode adds another generation of lossy compression on top of whatever the MKV's source codec already imposed.
How much larger is the WAV file?
Much larger. A 1-hour stereo WAV at 44.1 kHz / 16-bit is about 605 MB. The source MKV's audio track is typically 50-300 MB. So expect 2-10× expansion compared to the original MKV's audio portion. Plan storage accordingly — WAV is for editing, not for sharing.
Does converting to WAV improve the audio quality?
No. The audio quality is set by whatever codec was used in the source MKV. Converting to WAV creates a lossless container of the decoded audio — bigger file, same quality. The benefit is workflow compatibility, not quality restoration.
What sample rate will the output be?
AudioUtils preserves the source sample rate. Most MKV audio is 48 kHz (the video/broadcast standard) or 44.1 kHz (CD-derived content). The output WAV inherits this. Resample inside your DAW if you need a different rate for your project.
Can I use this on 5.1 or 7.1 surround MKV audio?
AudioUtils downmixes surround audio to stereo WAV by default. For multi-channel WAV output (5.1, 7.1) you need a desktop tool with explicit channel-mapping options. The stereo downmix is good for headphone listening and most editing workflows; for true surround mastering you need the full multi-channel pipeline.
How long does extraction take?
Seconds to a couple of minutes depending on file size. The video stream is discarded entirely (not re-encoded), so the bottleneck is reading the MKV and writing uncompressed PCM. A 45-minute episode typically extracts in well under a minute on a modern laptop.
What if my MKV is very large?
Free tier handles files up to 20 MB; Pro handles up to 500 MB. Most TV/movie MKVs exceed Pro's limit. For large files, pre-extract the audio track with desktop ffmpeg (which is essentially free), then use AudioUtils to clean up, re-encode, or convert if needed.