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104 file formats

Free tools

MKV to AVI Converter

Convert MKV to AVI in your browser. Free, no signup. Conversion files are not uploaded to Format Convertly servers. Learn the formats, then convert when your workflow needs AVI.

MKV
AVI

Choose a file or drag and drop

Drop your MKV file here or

Choose file · Drag & drop · Public file link

  • Processed on your device
  • No conversion file stored on our servers
  • Maximum file size: 100 MB

Conversion runs in your browser. Files are not uploaded to Format Convertly servers.

Processed on your device

No conversion file stored on our servers

Conversion Settings

Customize the output to match your needs.

Convert Quality

92%
Smaller File (Lower Quality)Higher Quality (Larger File)

Output

Output options for this format are applied automatically during browser conversion. Drop your file above to begin.

Advanced settings

Additional Options

    Quality or bitrate forces a re-encode. Width/FPS apply only when creating GIF or animated WebP.

How to Convert MKV to AVI

1

Add your MKV

Drop a MKV file into the browser panel. Nothing is sent to a remote queue.

2

Confirm settings

Review optional quality/size settings, then confirm AVI as the output.

3

Download AVI

Convert locally and download the AVI file when processing finishes.

Why Convert MKV to AVI?

Private by design

MKV → AVI runs in your browser. Files are not uploaded to a remote conversion queue.

Ready for the next step

Convert when a site, editor, or teammate expects AVI instead of MKV.

Practical quality

AVI: container (codec-dependent). Lossy targets trade size for speed — preview when it matters.

Wide compatibility

MKV is commonly used for Multi-audio and multi-subtitle movies and Archival rips with chapters.

MKV vs AVI

A quick side-by-side before you convert — deeper comparison lives on the full guide.

FeatureMKVAVI
Kindvideo containervideo container
Compressioncodec-dependentcontainer (codec-dependent)
Lossy / losslessTypically lossyTypically lossy
TransparencyNot supported / N/ANot supported / N/A
Best forMulti-audio and multi-subtitle movies; Archival rips with chaptersLegacy device exports; Older Windows multimedia archives
Typical sizeMatches the encoded streams; often large for high-bitrate ripsOften larger than modern MP4 for the same picture
Browser / web supportPoor compared with MP4 — convert for webLimited — convert to MP4 for reliable HTML5 playback
CompatibilityExcellent in VLC and enthusiast players; variable on iOS, some smart TVs, and web players that expect MP4Playable with VLC almost everywhere; built-in Windows/macOS players often fail when the AVI wraps uncommon codecs

Choose MKV when…

  • Multi-audio and multi-subtitle movies
  • Archival rips with chapters
  • Open-source container workflows
  • Flexible track layouts

Choose AVI when…

  • Legacy device exports
  • Older Windows multimedia archives
  • Source files awaiting modernization
  • Forensic/legacy footage preservation before MP4 derivatives

What happens to video quality?

AVI compatibility: Playable with VLC almost everywhere; built-in Windows/macOS players often fail when the AVI wraps uncommon codecs

Tip

Converting from MKV cannot restore detail already removed by lossy compression.

Does MKV to AVI reduce quality?

AVI is typically lossy (container (codec-dependent)). Use a higher bitrate when fidelity matters, and keep the MKV master for archival.

AVI format guide →

Should I keep the original MKV?

Yes when you may need to re-encode later. MKV: MKV is a flexible open container beloved for rips and multi-track films (commentary, subtitles, multiple audio languages). Convert to MP4 when a device or web platform refuses Matroska.

MKV format guide →

Frequently Asked Questions

More on quality loss: conversion quality guides · problem-solution guides

Does converting MKV to AVI reduce quality?

It can — both sides are typically lossy. A careful encode may look similar; repeated re-encodes cause generational loss. Prefer converting once from the best master you have.

Can you recover quality after converting?

Not from a lossy output alone. Return to the original master (or a better source). Converting to a lossless format does not resurrect discarded detail.

What is generational loss?

Damage that stacks when you decode and lossy-encode the same file over and over (for example JPG→edit→JPG). Edit from masters and export delivery formats once.

Where can I learn more about conversion quality?

Browse Format Convertly’s Quality guides for topics like whether conversion reduces quality, JPG↔PNG myths, WebP/MP3/MP4 tradeoffs, recovery limits, and generational loss — each links to the right converter.

What is a MKV file?

MKV is a Matroska multimedia container that can hold many video, audio, and subtitle tracks. MKV is a flexible open container beloved for rips and multi-track films (commentary, subtitles, multiple audio languages). Convert to MP4 when a device or web platform refuses Matroska.

Is MKV lossy or lossless?

MKV is typically lossy (codec-dependent). That keeps files small but means discarded detail cannot be restored later.

What is a AVI file?

AVI is an older Audio Video Interleave container from Microsoft Windows multimedia. AVI still appears in legacy cameras, medical devices, and older Windows apps. Codecs inside vary wildly — convert to MP4 for reliable playback on modern phones and the web.

Is MKV to AVI private?

Yes. The file is processed locally in your browser and is not uploaded to Format Convertly servers.

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Ready to Convert Your Files?

MKV to AVI privately in your browser.

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