MKV to AVI Converter

Convert MKV to AVI online. MKV and AVI are containers, while the video and audio codecs live inside them. Free batch processing with no signup or watermark.

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What changes when you convert MKV to AVI?

MKV and AVI are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected AVI settings.

For the widest playback support, check that the selected video and audio codecs are accepted by the device or service that will receive the AVI file.

Add multiple videos and adjust the available video and audio codec settings before processing.

Open the finished AVI file and check fine details, layout and compatibility in the app where you plan to use it.

What is a MKV file?

MKV (Matroska) is a flexible open container that holds high-definition video, multiple audio tracks and subtitles in one file. It is popular for movies and archiving, but is not natively supported by every device or browser.

How to open a MKV file

MKV plays in VLC and most modern media players; some phones, browsers and TVs need it converted to MP4 first.

What is a AVI file?

AVI is a classic Microsoft video format from the 1990s. It offers broad compatibility and good quality but large, inefficient files, so it is mostly replaced by MP4 today - though it is still common in older archives.

How to open a AVI file

AVI opens in Windows Media Player, VLC and most desktop players; for phones and browsers, converting to MP4 is the reliable choice.

Frequently asked questions

Is it free to convert MKV to AVI?

Yes. There is no sign-up, subscription or watermark on the converted file.

What happens to quality when MKV becomes AVI?

MKV and AVI are containers, while the video and audio codecs live inside them. Compatible streams may be copied; otherwise they are re-encoded for the selected AVI settings.

Which conversion options are available on this page?