Convert AVI to MKV

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AVI MKV

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Video Formats

MP4 (.mp4)

MOV (.mov)

AVI (.avi)

GIF (.gif)

3GP (.3gp)

FLV (.flv)

M4V (.m4v)

MK3D (.mk3d)

MOOV (.moov)

MPA (.mpa)

MPE (.mpe)

MPEG (.mpeg)

MPG (.mpg)

MXF (.mxf)

QT (.qt)

VOB (.vob)

WEBA (.weba)

Audio Formats

MP3 (.mp3)

WAV (.wav)

M4A (.m4a)

AAC (.aac)

FLAC (.flac)

OGG (.ogg)

AIF (.aif)

AIFC (.aifc)

AIFF (.aiff)

AMR (.amr)

AU (.au)

CAF (.caf)

DSS (.dss)

GSD (.gsd)

GSM (.gsm)

M2V (.m2v)

MP2 (.mp2)

MPGA (.mpga)

MTS (.mts)

MUS (.mus)

OGA (.oga)

OGV (.ogv)

OGX (.ogx)

RM (.rm)

SWF (.swf)

TS (.ts)

WEBM (.webm)

WMA (.wma)

WMV (.wmv)

XSPF (.xspf)

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Converting AVI to MKV is free: drop your AVI above, hit convert, and download the MKV. Files delete themselves within an hour.

Most AVI to MKV conversions are wrapper swaps: the pictures stay pictures, they just trade AVI's box for one built for high-quality rips and archives with multiple audio and subtitle tracks. If the codec inside your AVI is one MKV accepts, Flippy keeps quality bit-for-bit identical; if not, it re-encodes once, carefully, at matching quality.

Why flip AVI to MKV

AVI is the veteran of desktop video: dependable in 1995, cranky about everything invented since. It was born in 1992, Microsoft, and its real weak spot is modern life: no proper streaming, no subtitles, no love for modern codecs.

MKV is the format that hoards: video, a dozen audio tracks and every subtitle, all in one box. The Matroska container: it will hold practically any codec ever made. That makes it the right destination when what you need is high-quality rips and archives with multiple audio and subtitle tracks.

How to convert AVI to MKV

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

AVI vs MKV, side by side

	AVI	MKV
Born	1992, Microsoft	2002, the open-source Matroska project
Type	video · container	video · container
Best for	opening old archives and humoring legacy Windows tools	high-quality rips and archives with multiple audio and subtitle tracks
Weak spot	modern life: no proper streaming, no subtitles, no love for modern codecs	playing on TVs, iPhones and editors that never learned to open the box
Typical size	usually bulky: its era's codecs compress far less than H.264 or H.265	as big as whatever you put inside: movie files often run to several gigabytes
Plays on	Old Windows software and desktop players; phones and browsers mostly refuse.	VLC and desktop players love it; smart TVs, Apple devices and editors often don't.

Questions people ask

Will converting AVI to MKV lose quality?

Usually not: when the video codec is compatible, Flippy swaps the container without re-encoding, so quality is untouched. If a re-encode is needed, it happens once at matching quality.

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

Similar, unless a re-encode is involved: then it depends on the codec. MKV typically runs as big as whatever you put inside: movie files often run to several gigabytes.

Where will the MKV file play?

VLC and desktop players love it; smart TVs, Apple devices and editors often don't. That's the usual reason people leave AVI behind: MKV simply opens in more of the places that matter.

How long does AVI to MKV conversion take?

When it's a pure container swap it's nearly instant, since nothing is re-encoded. Full re-encodes take roughly as long as the video plays, often less.

More ways to handle these formats

AVI conversion Change MKV format Make MKV smaller MKV Trimmer Remove audio from MKV MKV to JPG Scale AVI