Convert MKV to MP4 Online
Drag & Drop Your MKV File Here
or click to browse files
Maximum file size: 2G
How to Convert MKV to MP4
1.Choose Your File
Click the upload area or drag and drop your MKV video file. We support files up to 2GB in size.
2.Adjust Settings (Optional)
Use our advanced options to customize video quality, resolution, and audio settings for your output file.
3.Convert & Download
Click the convert button and wait for processing. Your MP4 file will be ready for download in seconds.
Conversion Failed? Try Our Desktop App for Faster, Reliable Conversion
The online converter works best for small to medium video files. For large videos, 4K content, or professional batch processing, our desktop converter offers full power and stability.
| Feature | Online Converter | Desktop Converter |
|---|---|---|
| Conversion Speed | ⚡ Moderate (depends on browser) | 🚀 Up to 10× faster (multi-threaded) |
| File Size Limit | Up to 2GB | No limit |
| Supported Formats | MP4, MKV, AVI, MOV | 100+ formats (HEVC, ProRes, WebM...) |
| Batch Conversion | ❌ Not supported | ✅ Supported |
| Hardware Acceleration | ❌ CPU only | ✅ GPU (NVIDIA / Intel / AMD) |
| Offline Use | ❌ Internet required | ✅ Works fully offline |
| Editing Tools | Basic trim | Advanced merge, cut, compress |
| Custom Settings | Limited presets | Full control (codec, bitrate, resolution) |
| Privacy | Browser memory only | 100% local processing |
Why Download the Desktop Version?
The desktop converter delivers professional-grade performance with FFmpeg and hardware acceleration. It eliminates browser limitations and provides faster conversion, higher quality, and full control over your video output.
- • Convert large 4K / 8K or long videos easily
- • Batch convert multiple files in one click
- • Edit, merge, or compress videos before exporting
- • Produce optimized content for YouTube, TikTok, or Instagram
Online vs Desktop Video Converter — Which One Should You Choose?
Compare our free online MKV to MP4 converter with the full desktop version. Choose the best option for your needs — whether you value speed, flexibility, or professional-grade features.
Video Format Information
📹 MKV (Matroska)
MKV (Matroska Video) is an open standard, free container format that can hold multiple video, audio, picture, and subtitle tracks in a single file. It's popular for high-quality and HD content.
Pros: Excellent for HD video; supports multiple audio/subtitle tracks; open format
Cons: Not universally supported by all devices; files can be larger than some alternatives
🎬 MP4 (MPEG-4 Part 14)
MP4 is a widely used digital multimedia container format for storing video and audio. It's optimized for compatibility and streaming.
Pros: Universal compatibility; efficient compression; streaming-friendly
Cons: Limited support for some advanced features like multiple audio tracks
About MKV TO MP4 Converter
Our MKV to MP4 converter is a free online tool that allows you to convert your MKV video files to the widely compatible MP4 format. The conversion happens entirely in your browser — no software installation required and your files are never uploaded to our servers, ensuring complete privacy.
This tool is perfect for when you need to play MKV files on devices that don't support the format, such as certain smartphones, gaming consoles, or media players. MP4 offers excellent compatibility across devices while maintaining good video quality.
All conversions are performed using modern web technologies, and we continuously update our tool to provide the best conversion quality and speed.
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