Convert M4V to MKV

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M4V vs MKV Format Comparison

Aspect	M4V (Source Format)	MKV (Target Format)
Format Overview	M4V Apple iTunes Video MP4-based container, often DRM-protected, using H.264 video and AAC audio. iTunes	MKV Matroska Multimedia Container Open standard container supporting virtually any codec and extensive metadata. Flexible
Container/Codecs	H.264/AVC video codec and AAC audio codec inside an MP4-like wrapper.	Supports H.264, H.265, VP9, AV1, MP3, AAC, AC3, DTS and more.
Compression	Efficient H.264 compression for high quality at lower bitrates.	Depends on chosen codec (H.264, H.265 offer superior compression efficiency).
Quality	High quality suitable for HD playback and streaming.	High or ultra-high quality depending on codec; supports HDR and high bit-depth.
File Size	Moderate (5–50 MB per minute) depending on resolution and bitrate.	Variable; efficient codecs like H.265 can reduce size by up to 50% versus H.264.
Compatibility	Supported by Apple devices, QuickTime, and modern media players.	Increasingly supported by modern players (VLC, MPC-HC, Plex, Kodi).
Streaming Support	Designed for adaptive streaming (HLS) on Apple platforms.	Supported in custom players; not natively for HLS/DASH without re-packaging.
Use Cases	iTunes video content Apple device playback HD streaming	Archival of high-quality video Custom media applications Multi-track audio/subtitle support
Advantages	High-quality H.264 encoding Wide support on Apple ecosystem Supports subtitles and chapters	Open format with no licensing fees Supports almost all codecs Advanced subtitle, chapter, and menu features
Disadvantages	Possible DRM restrictions Limited on non-Apple platforms	Larger overhead for simple files Less universal support on some smart TVs
Tooling & Ecosystem	iTunes, QuickTime Player FFmpeg, HandBrake	VLC, MPC-HC, Plex, Kodi FFmpeg, mkvmerge
Metadata Support	Supports iTunes tags: title, artist, chapter markers.	Extensive metadata support (chapters, attachments, tags, attachments).

Why Convert M4V to MKV?

Converting M4V to MKV allows you to remove DRM restrictions and package your Apple videos into a fully open, feature-rich container. MKV’s support for multiple audio tracks, subtitles, and chapters offers maximum flexibility for playback and archiving.

Our converter preserves original video and audio streams, ensuring minimal recompression. Batch conversion lets you process entire libraries of M4V files into MKV format, ideal for media servers and custom player applications.

MKV’s open, extensible structure makes it perfect for archival, streaming in custom solutions, and future-proofing your video collection without vendor lock-in.