Convert MKV to FLAC

MKV in, FLAC out: free, no signup, and both files delete themselves within an hour.

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You can convert MKV to FLAC for free: upload your MKV above and Flippy extracts the audio as FLAC in your browser, no signup needed.

Turning MKV into FLAC isn't really a conversion: it's an extraction: Flippy lifts the audio track out of your MKV and re-packs it on its own. You keep the sound and drop the pixels, swapping an MKV that runs as big as whatever you put inside: movie files often run to several gigabytes for a FLAC built for archiving music with zero quality loss and a genuine size saving.

A classic MKV to FLAC job: high-quality rips and multi-track archives, bound for the archive shelf, at half the size of WAV.

Why flip MKV to FLAC

MKV is the format that hoards: video, a dozen audio tracks and every subtitle, all in one box. It was born in 2002, the open-source Matroska project, and its real weak spot is playing on TVs, iPhones and editors that never learned to open the box.

FLAC is the audiophile's handshake: CD-perfect sound at roughly half the shelf space. Free Lossless Audio Codec: think ZIP for sound: it decompresses back to the exact original. That makes it the right destination when what you need is archiving music with zero quality loss and a genuine size saving.

How to convert MKV to FLAC

1
Drop your MKV file into the flipper above, or click to browse for it.
2
Check the output format: FLAC is already selected for you.
3
Hit Convert, give it a moment, then download your new FLAC.

Best settings for MKV to FLAC

Quality tip for MKV to FLAC: there is no quality dial to fret over, since every FLAC compression level decodes to bit-identical audio; higher levels just pack a little tighter. The track inside your MKV sets the ceiling: an extraction can match it, never beat it.

MKV vs FLAC, side by side

	MKV	FLAC
Born	2002, the open-source Matroska project	2001, Josh Coalson; now kept by the open Xiph.Org Foundation
Type	video · container	audio · lossless
Best for	high-quality rips and archives with multiple audio and subtitle tracks	archiving music with zero quality loss and a genuine size saving
Weak spot	playing on TVs, iPhones and editors that never learned to open the box	fitting in pockets: lossless is still large: and charming Apple's own apps
Typical size	as big as whatever you put inside: movie files often run to several gigabytes	around 5 MB per minute: half of WAV, five times an MP3
Plays on	VLC and desktop players love it; smart TVs, Apple devices and editors often don't.	Hi-fi gear, Android, VLC, most desktop players; iTunes and Apple Music look away.

Questions people ask

Will converting MKV to FLAC lose quality?

The FLAC is encoded once from the exact track inside the MKV: from a typical soundtrack the difference is inaudible, but it can't sound better than what the video carried.

Will the FLAC file be bigger or smaller than my MKV?

Much smaller: you're keeping the audio and dropping the video, which is most of the weight. Expect around 5 MB per minute: half of WAV, five times an MP3.

Where will the FLAC file play?

Hi-fi gear, Android, VLC, most desktop players; iTunes and Apple Music look away. That's the usual reason people leave MKV behind: FLAC simply opens in more of the places that matter.

How long does MKV to FLAC conversion take?

It scales with length and resolution: short clips finish in seconds, long HD videos can take a few minutes. Files auto-delete within an hour after.

More ways to handle these formats

MKV Converter Convert FLAC Compress FLAC Cut FLAC Combine FLAC Boost FLAC volume MKV Resizer Get audio from video