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How to Convert AVI to MKV

AVI files are large and it tends to take a long time to upload onto the web. Therefore, users would normally choose to convert their AVI files to an MKV either to save up storage space or distribute files more conveniently. If you have a lot of AVI files and want to convert them to an MKV to get smaller files with the same quality, you'll have to use a smart video converter to help you with the conversion.

This easy-to-use Video Converter Ultimate is strongly recommended. It's straightforward interface enables you to convert the AVI files quickly and efficiently, without sacrificing the file's quality. It's also compatible for download for both Windows and Mac operating systems. You can install the right one according to your operating system.

Best AVI to MKV Video Converter

wondershare video converter
  • Support file compression to other format such as MP4, MOV, FLV and etc.
  • Up to 30 times speed of conversion.
  • Built-in editor to trim unwanted video scenes.
  • Support downloading from favorite online video sites.
  • Supported OS: Windows 8/7/XP/Vista, Mac OS X 10.6, 10.7 10.8, 10.9

Part 1: How to convert an AVI to MKV

After that, simply refer to the guide below to convert your AVI files to MKV (based on the Windows system). As for Mac users, you can always refer to the Mac users' Guide.

1. Add files onto the converter

Click Convert's tab and then select the Add Files option to browse your PC to upload the AVI files that you want to convert. Alternatively, you can also import the AVI files by a simple drag-and drop.

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avi to mkv converter

2. Built-in editor

This Video Converter Ultimate also offers powerful editing functions that enables you to edit the AVI files before conversion, such as adding effect, watermark and subtitles and etc.

avi to mkv conversion

3. Select format and convert

Go to the Output Format and then select MKV in the Format>Video category. After that, click Convert to start your AVI to MKV conversion. You can retrieve the converted files once it's completed from the Output Folder.

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mkv video conversion

Video Tutorial: How to Use the AVI to MKV Video Converter for Windows

Part 2: More options: Free AVI to MKV Converter , Online AVI to MKV Converter

# 1. Free Video Converter: Wondershare Free AVI to MKV Converter

Simply download from your favorite or any popular video sharing sites and then convert it for playback on almost any type of portable devices.

Pro: Free of charge.

1. Regular speed of conversion.
2. Restricted output format compared to Video Converter Ultimate.
3. Can't burn own DVDs.

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free video converter

# 2. Online Video Converter: Online Video Converter

If you have the videos saved on either Google Drive, Dropbox or SkyDrive, it's also possible to export your files from there for conversion. On top of that, you can also adjust the resolution or file size accordingly.

Pro: All you need is the Internet.

1. Range of support for input file format is unknown.
2. Upload and convert one file at a time.
3. Lossy compression quality.

online video converter

Part 3: Extended Knowledge for AVI and MKV Format

File Extension AVI MKV
Video File
Video File
AVI is a multimedia container that contains both audio and video data. It allows synchronous audio-with-video playback. AVI files support multiple streaming audio and video MKV is an open source, standard container used to store a range of video, audio, image or subtitle in a single file. The WebM file extension also uses the MKV format as a basis.
Associated Programs
Windows Media Player
VLC Media Player
Windows Media Player
Developed by
Useful Links
Detailed information on the AVI file format
How to Convert Video_TS to AVI
How to convert AVI files on Mavericks
How to Burn AVI to DVD on Windows 8
Top 3 AVI Players for Mac
Detailed information on the MKV file format
How to Convert AVI to MPEG
How to Convert AVI to FLV
How to Add Subtitles to MP4 Files
How to Convert AVI to VOB

Product-related questions? Speak directly to our Support Team >>

You can try it for free.
is this free?
Great apps ..... MKV rocks
Well, Video Guest, you make a good point here. MKV is a more efficient format that compress your video to a smaller file size based on the same bit rate, frame rate, resolution, etc. The video converter mentioned in this article can also help you further compress your video file by letting you manually adjust the bit rate, frame rate, and resolution parameters in the settings window.
Video Guest
converting an AVI to MKV does not automatically make a smaller file. MKV is a container, like AVI. The codec, such as MPEG, divX, MP4, determines how effeciently the video is compressed.