VIDEO Object to MATROSKA Video conversion is the process of remuxing or re-encoding video and audio streams from a VOB container (used on DVDs and holding MPEG-2 video, AC-3/MP2 audio, and DVD navigation data) into an MKV container (a flexible Matroska format that supports many codecs, subtitles and chapters). This conversion preserves playback compatibility across modern players and devices while optionally changing codecs, subtitle formats, or compression settings to reduce file size or add features.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
MOV files from iPhone, Mac, and editing apps often need conversion before they are easy to share, upload, or play on Windows. This guide explains MOV vs MP4, when you can remux without quality loss, when to re-encode, and the best MP4 settings for web, email, YouTube, Windows, audio, subtitles, HDR, file size, and batch conversion.
Read guide →Turning an MP4 into a GIF is simple, but making one that looks sharp, loads quickly, and works well on social platforms takes a few smart choices. This guide explains why GIFs get large, how frame rate, dimensions, duration, color palettes, and dithering affect quality, and when MP4, WebP, or animated PNG may be the better format.
Read guide →Compare the three most popular video container formats — MP4, MKV, and WebM — across codec support, device compatibility, file size, streaming performance, and editing workflows. Learn which format fits your specific use case and how to convert between them.
Read guide →Drag your .VOB file from your computer or use the browse function.
Confirm .mkv as the selected destination format.
Click "Convert" and download your converted .MKV file once ready.
VOB files have a MIME type of video/dvd and commonly use MPEG-2 codecs, designed for DVD media storage. MKV files use video/x-matroska MIME type and support a variety of codecs including H.264 and HEVC, making them versatile for different playback and streaming scenarios. MKV is widely adopted for high-definition video content and supports advanced features like chapters, multiple audio tracks, and subtitles.
The MATROSKA Video (.MKV) format is commonly used for video. Understanding its characteristics can be helpful when converting to or from other formats like VIDEO Object.
While specific technical details aren't available here, MATROSKA Video files generally serve the purpose of storing video effectively within their domain.
Easily convert your VIDEO Object (VOB) files to MATROSKA Video (MKV) format with our reliable online VOB to MKV converter. No downloads or installations are required, allowing you to transform your videos directly from your browser within moments.
VIDEO Object files are typically used for DVD video content and have limited support on some devices. In contrast, MATROSKA Video offers a flexible and open container format that supports multiple codecs and advanced features. MKV files provide better compatibility and enhanced playback options compared to VOB files.
Keep original file sizes in mind: a single DVD VOB can be ~1–1.5 GB per title; plan storage when converting full discs.
Preserve quality by remuxing when possible: if you only need container change, avoid re-encoding to retain original MPEG-2 quality.
For lower file sizes with good quality, re-encode MPEG-2 to H.264 or H.265 using a medium-to-high preset and a CRF 18–23 (H.264) or 22–28 (H.265).
Batch conversion: combine split VOB segments first (or use tools that auto-detect sequences) and queue conversions to process multiple files overnight.
Converting VOB to MKV online saved me hours of work and the quality was excellent.
James L.
Videographer
This VOB Converter is simple to use and made my videos compatible with all my devices.
Maya S.
Content Creator
Fast and reliable conversion—perfect for converting DVD files to modern formats.
Eric P.
Tech Enthusiast
Start your free VOB to MKV conversion now.
Drag your file here to to upload.
Up to 250MB
Format limitation: VOB is DVD-specific and uses MPEG-2; converting to modern codecs requires re-encoding which changes compression characteristics and may take longer and use more CPU/GPU resources.