Free Online AVI to MKV Converter

Extract audio from your AVI file using our fast and free AVI to MKV converter. Use our AVI ripping tool to separate out the audio track from your uploaded AVI, which can then be downloaded as an independent MKV file. You can also batch rip AVI files with our batch AVI to MKV converter, where you can upload as many as 20 files at a time.

Select File(s)

Or drag and drop your files here to upload.
A maximum of 20 files can be uploaded at once.

Please note: Your AVI file, once uploaded to our server, will be deleted 15 minutes after upload, so please download your converted AVI file before this time.

Click the button above and select the AVI video files you want to rip the audio from. Once selected, you can alter the bitrate of the generated MKV file by clicking button if you want to. The default settings will leave the audio quality unchanged.

How to Convert your AVI to MKV Online?

Here are two simple steps to convert your AVI to MKV using our fast and free AVI converter tool.

Upload your AVI file

Click the "Upload a AVI File" button, then select a AVI to upload. The maximum file size is 100MB.

Download your MKV

Click the download link to receive your MKV file.

Frequently Asked Questions

How can I convert my AVI file to MKV?

First, click the "Upload..." button and select your AVI file to upload. Your AVI file will be uploaded to our servers. When the AVI to MKV conversion has completed, you can download your MKV file right away.

How long does it take to convert my AVI to MKV?

We aim to process all AVI to MKV conversions as quickly as possible; this usually takes around 5 seconds; however, this can be longer for certain files, so please be patient.

How accurate is the AVI to MKV conversion?

We aim to provide the best conversion experience. Our tools are under constant review and development, with new features being added every week.

File format information for AVI and MKV

Extension	AVI
Full Name	Audio Video Interleave
Type	Video
Mime Type	video/x-msvideo
Format	Binary

The AVI video file format is a general-purpose multimedia format for housing video and audio data. Created by Microsoft in the early 1990s, the format has, over the years, garnered widespread support; however, with more modern and capable formats such as MP4, AVI is now considered a legacy format, with support for it on the decline.

The format allows the storage of both audio and video tracks using a variety of different codes. This allowance for different codes means that some AVI files would not play on devices that did not have the correct codec software installed.

Despite AVI files being superseded by more efficient formats that offer improved codecs and other features, many video editing and playback software can open and play AVI files.

Extension	MKV
Full Name	Matroska Multimedia Container
Type	Video
Mime Type	video/x-matroska
Format	Binary

An MKV file, or Matroska Video File, is an audio/video file format created to store multimedia data in a highly compressed format. The MKV format supports a wide variety of audio and video codecs and is a popular format for distributing video files.

The format itself is a container format, meaning it supports many different audio and video tracks, all using different codecs. Along with audio and video, other data, such as chapters, markers, sub-titles, and other useful data, can be stored within the file.

Support for editing MKV files is widespread, with most video editing applications able to open MKV files. Video playback software, however, can sometimes struggle to playback MKV files if they are not equipped with the correct codecs.

Information for converting from AVI to MKV

Our AVI and MKV will attempt to convert these video format files with little or no loss in quality. You can upload video files up to 100MB in size; however, with large AVI files, please allow time for converting to a MKV.