Universal Video Tool

Convert AVI to MKV

Transform your AVI videos to MKV format instantly. Fast browser-based conversion, 100% free and private.

Drop Video Files Here

MP4, WebM, AVI, MOV, MKV, FLV, OGV, WMV

100% Private

Videos are processed in your browser.

Fast & Free

No limits, no sign-up required.

High Quality

Preserves video quality and metadata.

Popular Video Conversions

AVI to MKV Conversion Guide

Converting AVI videos to MKV format is essential for advanced features like multiple audio tracks and subtitles. AVI files are legacy format with broad software support, while MKV offers flexible container supporting multiple streams. This conversion is commonly needed for older systems, Windows devices, archival to high-quality archival, multiple audio tracks, subtitles.

Why Convert AVI to MKV?

Converting from avi to mkv provides better compatibility and optimization for your specific use case. Our browser-based converter uses FFmpeg.wasm to handle this conversion without uploading files to any server, ensuring complete privacy and fast processing.

How to Convert AVI to MKV

Simply drag your AVI files into the upload zone, select MKV as the output format, and click Convert. The tool processes videos locally using FFmpeg compiled to WebAssembly, maintaining quality while converting to MKV format. Download individual files or get everything as a ZIP archive for batch conversions.

AVI to MKV FAQ

All Video Format Conversions