MKV ↔ MP4 Converter
Convert between MKV and MP4 video formats online for free. Fast, secure, and high-quality conversion with swap functionality.
Video Conversion
Drag & drop video files or click to browse
Supports MP4, AVI, MOV, WMV, FLV, MKV files up to 1.5GB
Why Convert Between MKV and MP4?
Advanced Features
MKV format supports multiple audio tracks, subtitles, chapters, and metadata, making it perfect for high-quality movie and TV show archiving.
Universal Compatibility
MP4 format ensures maximum compatibility across all devices, browsers, and platforms, making it ideal for sharing and streaming.
Mobile Optimization
MP4 format is optimized for mobile devices and streaming services, providing better performance on smartphones and tablets.
Web Streaming
MP4 format is the standard for web video streaming, ensuring smooth playback across all browsers and platforms.
How to Convert MKV to MP4 or MP4 to MKV
- Upload your video file(s) by dragging and dropping or clicking to browse
- Select your desired source and target formats (or use the swap button)
- Click "Convert" to start the conversion process
- Download your converted video file(s) when ready
Supported File Formats
MKV
Input/Output Format
MP4
Input/Output Format
Swap
Bidirectional
Batch
Multiple Files