AVI to MKV

Convert AVI video to MKV format.

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How to use AVI to MKV

Three quick steps — no sign-up needed

  1. Step 1

    Upload your file

    Drag and drop your file into AVI to MKV, or click to browse.

  2. Step 2

    Convert the format

    AVI to MKV converts it automatically — no quality loss, no waiting.

  3. Step 3

    Download the result

    Download your converted file in seconds. Files are deleted automatically.

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AAC to FLAC Convert AAC audio to FLAC. AAC to M4R Convert AAC audio to M4R. AAC to MP3 Convert AAC audio to MP3. AAC to MP4 Convert AAC audio into an MP4 container. AAC to WAV Convert AAC audio to WAV. AVI to MOV Convert AVI video to MOV format. AVI to MP3 Extract MP3 audio from a AVI file. AVI to MP4 Convert AVI video to MP4 format.

About AVI to MKV

AVI to MKV is a free online tool that lets you convert avi video to mkv format — straight from your browser, with no software to install, no sign-up, and no watermarks. It runs on Windows, Mac, Linux, Android, and iOS, so you can use it on whatever device you happen to have to hand.

AVI to MKV handles the formats you actually work with day to day, so you can move between them without installing desktop software or signing up for an account. The conversion keeps your file faithful to the original and finishes in seconds, ready to download. Files and data are processed securely and removed automatically afterwards, and many steps run entirely on your own device for extra privacy. Because AVI to MKV is completely free and unlimited, you can use it as often as you need for work, study, or personal projects.

Benefits of AVI to MKV

Wide format support Convert to and from all the formats you actually use, in one place.
No quality loss Conversions preserve the detail of your original file.
Batch friendly Convert files quickly without desktop software or plugins.
Private & automatic Files convert in seconds and are deleted automatically afterwards.

Frequently asked questions

How do I convert my file online?

Upload your file to AVI to MKV, and it converts to the target format automatically — then download the result. No software needed.

Will converting change the quality?

The tool preserves as much of the original detail as the target format allows, so your converted file stays faithful to the source.

Can I convert more than one file?

Yes — convert files one after another quickly, with no daily limits.