🎥 MP4 Converters

MP4 to AVIMP4 to MOVMP4 to MKVMP4 to WEBMMP4 to WMV

Need the reverse? Convert MKV to MP4 →

MP4 to MKV Converter

Convert MP4 to MKV online — perfect for quality preservation and multi-track support. Private, fast, and runs entirely in your browser.

Upload MP4 videos or drag & drop below. Output uses MKV format optimized for quality and advanced features.

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MP4 to MKV Converter – Free Online Tool

Need to convert MP4 to MKV for enhanced quality and features? Our free MP4 to MKV converter makes it simple to transform your videos into MKV format. Perfect for archiving, multi-track support, and preserving maximum video quality.

Convert MP4 to MKV or MKV to MP4 Easily

  • MP4 to MKV – Convert for enhanced quality and features
  • MKV to MP4 – Convert for universal compatibility
  • High Quality – Preserve maximum video quality
  • Multi-track Support – MKV supports multiple audio tracks and subtitles
  • Archival Quality – Perfect for long-term storage

Why Convert MP4 to MKV?

While MP4 is great for compatibility, MKV format offers advanced features for quality-focused users:

  • Quality preservation – MKV supports higher bitrates and codecs
  • Multi-track support – Multiple audio tracks and subtitle streams
  • Chapter support – Add navigation chapters to videos
  • Flexible container – Supports virtually any codec combination
  • Open source – Free, open standard with no licensing restrictions

Features of Our MP4 ↔ MKV Converter

  • ✅ Free and Unlimited – Convert MP4 to MKV free without restrictions
  • ✅ Bidirectional – Convert MP4 to MKV or MKV to MP4
  • ✅ High Quality – Preserve original video quality
  • ✅ Browser-Based – No software installation needed
  • ✅ Batch Processing – Convert multiple files simultaneously

How to Convert MP4 to MKV

  1. Upload your MP4 file.
  2. Choose MKV as your output format.
  3. Click convert – your MKV file will be ready in seconds.

Need the reverse? Use our MKV to MP4 converter to create universally compatible videos.

PulseSuite.io – Convert MP4, MKV, and more video formats.