Convert MP4 to MKV - Free Online MP4 to MKV Converter Tool

Convert MP4 files to MKV format online for free. Fast, secure, and easy-to-use MP4 to MKV converter with high-quality output. No registration required, files are processed locally in your browser for maximum privacy and security.

Conversion Progress

Upload your MP4 file

Select or drag and drop your MP4 file from your device or cloud storage

Convert file

Process your MP4 to MKV conversion with our advanced algorithm

Download MKV file

Get your converted MKV file ready for immediate use

🚀 Why Choose Our MP4 to MKV Converter?

•Lightning-fast MP4 to MKV conversion with optimized processing
•Preserve original quality and formatting during MP4 to MKV conversion
•Secure cloud-based processing with HTTPS encryption and automatic file deletion
•Works on all devices - desktop, mobile, and tablet platforms supported
•No software installation required - completely web-based MP4 converter
•Batch conversion support for multiple MP4 files to MKV format

⚡ How to Convert MP4 to MKV in 3 Simple Steps

•Upload your MP4 file using our secure file uploader
•Our tool automatically detects and prepares your MP4 file for conversion
•Click convert and instantly download your MKV file

🔒 Privacy & Security

Enterprise-Grade Security

All files are encrypted during transfer using SSL/TLS protocols and automatically deleted from our servers within 1 hour of conversion completion.

Privacy-First Processing

Your files are processed securely in our isolated environment with no access by third parties. We never store or share your converted files.

GDPR Compliant

Our conversion service fully complies with GDPR and data protection regulations, ensuring your personal data and files remain private.

About Privacy Policy Terms of Service Cookie Policy Contact