Convert AVI to MKV - Video Converter

Free online tool to convert AVI to MKV video format. Fast, private, browser-based conversion.

Output Format

Resolution

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Drop video files here or click to browse

Supports MP4, WebM, AVI, MOV, MKV, FLV, 3GP, MPEG, M4V, TS

Supported Formats

MP4

Most compatible video format

WEBM

Open web video format

AVI

Classic Windows video format

MOV

Apple QuickTime format

MKV

Flexible Matroska container

FLV

Flash video format

3GP

Format video mobile

MPEG

Format video digital klasik

M4V

Wadah video Apple

Format transport stream

Features

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Privacy First

All conversions happen in your browser. Videos never leave your device.

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Multiple Formats

Support for all major video formats.

⚡

Batch Conversion

Convert multiple videos at once.

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No Size Limit

Convert videos of any size (limited by browser memory).

Why Convert AVI to MKV?

Converting AVI to MKV brings your video into a modern format with better compression, wider device support, and improved streaming capabilities.

Audio Video Interleave (AVI)

Container

Classic Microsoft format, widely compatible with Windows applications.

Use Cases: VideoConverter.formatDetails.avi.useCases

Pros: VideoConverter.formatDetails.avi.pros

Cons: VideoConverter.formatDetails.avi.cons

Matroska Video (MKV)

Container

Flexible open format supporting multiple audio/subtitle tracks.

Use Cases: VideoConverter.formatDetails.mkv.useCases

Pros: VideoConverter.formatDetails.mkv.pros

Cons: VideoConverter.formatDetails.mkv.cons

How to Convert AVI to MKV

Click the upload area or drag and drop your video file.
Select the output format from the dropdown.
Optionally adjust the resolution setting.
Click "Convert All" to start processing.
Download your converted video file.

AVI vs MKV — Format Comparison

Format	Type	Quality	File Size	Compatibility	Best For
AVI	Container	Variable	Large	High (Windows/legacy)	Windows compatibility, editing
MKV	Container	High (any codec)	Medium	Moderate (desktop players)	Media collections, multiple tracks

Frequently Asked Questions

Is converting AVI to MKV free?

Yes, our AVI to MKV converter is completely free. All processing happens in your browser.

Will I lose video quality converting AVI to MKV?

There may be minimal quality loss during re-encoding. Using higher quality settings helps preserve the original quality.

How long does AVI to MKV conversion take?

Conversion time depends on file size, duration, and your device's processing power. Most short videos convert in under a minute.

Is my video file safe during AVI to MKV conversion?

Absolutely. All processing happens locally in your browser. Your video files are never uploaded to any server.

Can I batch convert multiple AVI files to MKV?

Yes, you can upload and convert multiple AVI files to MKV format simultaneously.

Video Converter - Convert videos between MP4, WebM, AVI, 3GP, MPEG, and more formats

MP4 → WEBM MP4 → AVI MP4 → MOV MP4 → MKV MP4 → FLV MP4 → 3GP MP4 → MPEG MP4 → M4V MP4 → TS WEBM → MP4 WEBM → AVI WEBM → MOV WEBM → MKV WEBM → FLV WEBM → 3GP WEBM → MPEG WEBM → M4V WEBM → TS AVI → MP4 AVI → WEBM AVI → MOV AVI → MKV AVI → FLV AVI → 3GP AVI → MPEG AVI → M4V AVI → TS MOV → MP4 MOV → WEBM MOV → AVI MOV → MKV MOV → FLV MOV → 3GP MOV → MPEG MOV → M4V MOV → TS MKV → MP4 MKV → WEBM MKV → AVI MKV → MOV MKV → FLV MKV → 3GP MKV → MPEG MKV → M4V MKV → TS FLV → MP4 FLV → WEBM FLV → AVI FLV → MOV FLV → MKV FLV → 3GP FLV → MPEG FLV → M4V FLV → TS 3GP → MP4 3GP → WEBM 3GP → AVI 3GP → MOV 3GP → MKV 3GP → FLV 3GP → MPEG 3GP → M4V 3GP → TS MPEG → MP4 MPEG → WEBM MPEG → AVI MPEG → MOV MPEG → MKV MPEG → FLV MPEG → 3GP MPEG → M4V MPEG → TS M4V → MP4 M4V → WEBM M4V → AVI M4V → MOV M4V → MKV M4V → FLV M4V → 3GP M4V → MPEG M4V → TS TS → MP4 TS → WEBM TS → AVI TS → MOV TS → MKV TS → FLV TS → 3GP TS → MPEG TS → M4V