Multiple Formats
Supports MP4/WEBM/MKV/AVI and more
No Installation
Powered by FFmpeg.wasm, runs in browser
Full Quality Control
Customize CRF, resolution, codec parameters
Key Features
Fast, private, and high-quality video conversion
Universal Compatibility
Convert MKV to widely supported MP4 format
Quality Preserved
H.264 encoding maintains video quality
Local Processing
Privacy first - no server uploads
No Installation
Works instantly in your browser
Why Choose Our MKV to MP4 Converter
Professional video format conversion powered by FFmpeg.wasm. Convert Matroska videos for universal playback.
Conversion at Scale
Reliable browser-side video conversion
Monthly Conversions
25K+
Growing user base
Success Rate
>95%
High reliability
Avg. Time
<50s
Fast processing
FAQ
What is MKV format?
MKV (Matroska) is an open-source container format that can hold multiple video, audio, and subtitle tracks. It's popular for high-quality video content.
Why convert MKV to MP4?
MP4 is universally supported across all devices and platforms. Converting ensures your videos play anywhere, including mobile devices and smart TVs.
What is the maximum file size?
We recommend files under 500MB for best performance. Larger files may cause browser memory issues.
Will conversion affect video quality?
We use high-quality H.264 encoding to preserve video quality. Some minimal quality loss may occur during re-encoding.
Is my video uploaded to a server?
No. All processing happens locally in your browser. Your files never leave your device.
Ready to Convert Your MKV Files?
Convert MKV to MP4 instantly. Free, fast, and private.