Convert AVI to MKV

Free online AVI to MKV converter. Convert your AVI files to MKV format instantly with our privacy-first tool. No uploads, 100% secure.

Conversion Engine Ready to Start

Initialize the conversion engine to start converting your files. This process loads the necessary library for file conversion.

How to Convert AVI to MKV

Quick Steps:

  1. Upload your video file using the dropzone above
  2. Adjust resolution, quality and compression if needed
  3. Click Convert File to start the conversion
  4. Download your converted MKV file

Why Choose Our Converter:

  • 100% client-side processing
  • No file uploads to servers
  • Fast and secure conversion
  • Free with no registration required
  • Works offline once loaded

Video Conversion Features:

Resolution control
Video quality settings
Compression optimization
Format conversion

Use Case: Great for video optimization, platform compatibility, or file size reduction

About AVI Format

Classic video format with broad software support. Best for local playback. Our converter supports AVI files and can convert them to various formats including MKV.

Format Type: Video Browser Support: Limited

About MKV Format

Feature-rich open-source container supporting unlimited video quality and multiple tracks. Converting to MKV format gives you excellent results with open-source container with maximum flexibility. popular for high-quality video storage..

Format Type: Video Browser Support: Limited

Supported Formats

Convert between all major formats with our privacy-first converter

Video Formats

Convert between all major video formats including MP4, WebM, AVI, MOV, and more

In Development

  • Document conversions (PDF, DOCX, etc.)
  • Archive conversions (ZIP, RAR, etc.)
  • Additional image formats (TIFF, PSD, AI, RAW)

Supported Conversions

Explore all the input and output image formats supported by OfflineConvert.

Video Conversions

Convert between all major video formats including MP4, WebM, AVI, MOV, and more

All conversions are processed entirely in your browser for complete privacy.

Frequently Asked Questions

Yes, our converter is completely safe. All conversions happen locally in your browser, so your files never leave your device or get uploaded to any server.

No installation required. Our web-based converter works directly in your browser using WebAssembly technology for fast, efficient conversions.

MKV supports resolutions up to 4K. You can maintain the original resolution or reduce it for smaller file sizes. Common choices are 1080p for high quality, 720p for balanced quality/size, or 480p for maximum compression.

Video conversion time depends on your device's processing power, video length, resolution, and quality settings. Short clips (under 1 minute) typically convert in seconds to minutes, while longer videos may take proportionally longer.

Yes, MKV supports audio tracks, so your video's audio will be preserved during conversion. You can also adjust audio quality settings if needed.

MKV format offers specific advantages: audio and video support. This makes AVI to MKV conversion ideal for your specific use case.