Convert videos to any format
Drag & drop video file here
Supports MP4, MKV, AVI, MOV, WebM and more
Drag & drop your MKV video
Automatic conversion with optimal settings
Save your converted AVI file
AVI format is needed for legacy software compatibility or systems that cannot play MKV files.
MKV is a flexible, open-standard container format that can hold an unlimited number of video, audio, subtitle, and metadata tracks. It's the preferred format for high-quality video archival and media collections.
AVI is a classic multimedia container format introduced by Microsoft in 1992. While considered legacy, it remains widely used for compatibility with older systems and simple video storage.
MKV is modern and feature-rich. AVI is simple and legacy-compatible. MKV is better for quality, AVI for old systems.
Common scenarios for this conversion
Convert MKV to AVI when your device or app doesn't support the original format.
Upload AVI instead of MKV for better support on YouTube, Instagram, and TikTok.
Convert to AVI for seamless import into professional editing software.
Play MKV files on any phone by converting to AVI.
Your files never leave your device. All conversion happens in your browser — no server uploads.
Hardware-accelerated conversion powered by WebCodecs and WebAssembly.
Convert between any video format combination.