Convert MP4 to MKV — Free Online Converter
Quick Answer
Convert MP4 to MKV to use a more flexible container that supports multiple audio tracks, subtitles, and chapters.
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Convert MP4 to MKV to use a more flexible container that supports multiple audio tracks, subtitles, and chapters.
🔄 Convert Video →100% Gratuit · Sans inscription
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Frequently Asked Questions
What is MKV format?
MKV (Matroska) is an open container format that can hold multiple video, audio, and subtitle tracks in one file.
Is MKV or MP4 better?
MKV is more feature-rich (subtitles, chapters, multiple audio tracks). MP4 is more universally compatible.
Last updated: April 2026