v0.2 Live

Convert MKV to AVI — Fast, Free, and Private

Fast, secure & free online MKV to AVI converter

100% Privacy
Browser-local processing
Lightning Fast
No server upload needed
Works Offline
No internet needed
Lossless Quality
Original quality preserved
MKVAVI

Upload files to convert to AVI

Drag & drop your file here, or click to browse

Supports image, audio, video, and data files, up to 200 MB

Conversion Preview

Before · MKV
MKV
After · AVI
AVI
1

Upload

Drag and drop your MKV file into the conversion area, or click to select a file from your device.

2

Convert

The browser automatically processes the conversion locally — no server upload needed.

3

Download

Click the download button to save your converted AVI file.

Why Choose OmniConvert?

100% Privacy

Files are processed in your browser. Never uploaded to any server. Your data stays yours.

Lightning Fast

Files are processed locally at native speed. No upload wait, no server queues, no daily limits.

Works Offline

No internet? No problem. Install as PWA and convert anywhere.

Lossless Quality

Original image quality preserved. No compression artifacts introduced.

Why convert MKV to AVI?

Converting from Matroska Video (MKV) to AVI Video (AVI) is a common need in daily workflows. Whether you need a more compatible video container, smaller file sizes for web streaming, or want to extract audio from videos, choosing the right format matters.

With OmniConvert, the entire MKV to AVI conversion process happens right in your browser using FFmpeg.wasm. No need to install desktop software like HandBrake or FFmpeg CLI, no file uploads to servers, and your video files remain 100% private. The first conversion loads the FFmpeg engine (~25MB), then subsequent conversions reuse the cached engine.

Key Benefits of OmniConvert

Privacy Protected

Your MKV files are converted locally in your browser. Never uploaded to servers.

Fast & Free

No waiting queues, no subscriptions. Convert unlimited files.

High Quality

Advanced algorithms ensure your AVI output preserves the highest quality.

Works Offline

Functions without internet after initial load via PWA support.

How to Use

1

Drag and drop your MKV file into the conversion area above.

2

The browser processes the conversion instantly — no waiting required.

3

Click the download button to save your new AVI file.

MKV vs AVI: Quick Comparison

Feature MKV AVI
CompressionVarious (H.264/H.265/VP9)Various (often uncompressed)
TransparencyCodec-dependentNo
Color Depth8/10/12-bit8/16/24-bit
AnimationVideoVideo
Best ForMedia storage, multiple tracks, subtitlesLegacy systems, Windows compatibility

Understanding MKV and AVI Formats

MKV is best suited for media storage, multiple tracks, subtitles. It uses various (h.264/h.265/vp9) compression with transparency support. On the other hand, AVI excels at legacy systems, windows compatibility, using various (often uncompressed) compression without transparency. Understanding these differences helps you choose the right format for each project and workflow.

Common Use Cases for MKV to AVI Conversion

Content creators converting MKV to AVI for social media platforms and video sharing websites.

Video editors preparing footage in AVI format for editing software compatibility.

Reducing video file sizes by converting MKV to more efficient AVI format for web streaming.

Ensuring cross-platform playback compatibility by converting videos to the widely-supported AVI format.

Pro Tips for MKV to AVI Conversion

OmniConvert uses FFmpeg.wasm for video conversion — a powerful, industry-standard tool running right in your browser.

The first video conversion downloads ~25MB of FFmpeg core files, but subsequent conversions reuse the cached engine.

Video transcoding can take 30 seconds or more for 1-minute videos — be patient, it's all happening locally on your device.

Frequently Asked Questions

Is it safe to convert MKV to AVI online?

Yes. OmniConvert processes all files directly in your browser using client-side JavaScript. Your MKV files are never uploaded to any server. The conversion happens entirely on your device, ensuring complete privacy.

Will I lose quality converting MKV to AVI?

Both MKV and AVI use lossy compression. Converting between them may introduce minor quality loss from re-encoding. OmniConvert uses high-quality settings to keep this degradation minimal and usually imperceptible for photos.

What is the difference between MKV and AVI?

MKV (Matroska Video) and AVI (AVI Video) serve different purposes. Converting between them allows you to use the format best suited for your specific workflow.

Do I need to sign up to convert MKV to AVI?

No. OmniConvert is completely free and requires no registration, no email, and no account. Just open the page and start converting immediately.

What is the file size limit for MKV to AVI conversion?

OmniConvert supports files up to approximately 100 MB. Since the conversion runs in your browser, the actual limit depends on your device's available memory. Most common files convert without any issues.

Convert MKV to other formats

Convert other formats to AVI

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