1. Home
  2. Video Converter
  3. Convert VOB to MKV

What is VOB?

DVD Video Object (VOB) is the container format for DVD-Video discs, containing MPEG-2 video, audio, and subtitles.

What is MKV?

MKV (Matroska Video) is a flexible container format that supports virtually any codec, multiple subtitle tracks, and chapter markers.

When Should You Use VOB vs MKV?

Use VOB When...

Reach for VOB when your priority is dvd movies, legacy video archives — its efficient compression makes sharing fast and storage minimal.

Use MKV When...

Reach for MKV when your priority is high-quality video with subtitles and chapters — its efficient compression makes sharing fast and storage minimal.

VOB vs MKV: Key Differences

  • •The core technical difference: VOB relies on lossy compression whereas MKV uses lossy compression.
  • •Neither format changes compression philosophy — both are lossy compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Alpha channel support: MKV lacks transparency support.
  • •Storage footprint: 1-2GB per hour of DVD video for VOB vs Varies greatly depending on content for MKV.
  • •Use case fit: VOB targets dvd movies, legacy video archives and MKV targets high-quality video with subtitles and chapters — your choice depends on which workflow stage you are serving.

Advantages of VOB

  • ✓VOB uses lossy compression tailored for DVD movies, legacy video archives.
  • ✓VOB is supported natively on virtually every device, browser, and operating system.
  • ✓VOB files are compact and quick to transfer, even over slow connections.
  • ✓VOB integrates seamlessly with all major creative tools and workflows.

Advantages of MKV

  • ✓MKV uses lossy compression tailored for High-quality video with subtitles and chapters.
  • ✓MKV is supported natively on virtually every device, browser, and operating system.
  • ✓MKV files are compact and quick to transfer, even over slow connections.
  • ✓MKV integrates seamlessly with all major creative tools and workflows.

Common Use Cases for VOB to MKV Conversion

  • Video resumes
  • Conference presentations
  • Training tutorials
  • Customer testimonial videos
  • Streaming and online sharing
  • Professional video editing

Industry Applications

Sports AnalyticsVirtual RealitySecurity SystemsAdvertisingContent CreationFilm Production

Best Practices for VOB to MKV Conversion

  • →For VOB to MKV: encode at the target platform's native resolution — upscaling or downscaling adds unnecessary artifacts
  • →Test a short clip before converting the entire VOB file — this confirms MKV settings produce acceptable quality
  • →MKV is widely supported but choose bitrate carefully to balance quality and file size
  • →Use constant bitrate (CBR) for streaming delivery and variable bitrate (VBR) for archival storage
  • →Keep the original file in case you need to re-encode with different settings
  • →Check audio sync after conversion — container changes can sometimes cause drift

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about VOB and MKV formats in our detailed guide.

Troubleshooting VOB to MKV Conversion

  • !MKV won't play on target device → check codec compatibility (H.264 has broadest support)
  • !Audio out of sync after VOB to MKV conversion → try re-muxing with a different container format
  • !MKV quality is too low → increase the bitrate; for 1080p video, 8-15 Mbps is recommended
  • !File size increased converting VOB to MKV → lossless or higher-bitrate outputs naturally produce larger files

Related Video Converters

Convert Other Formats to MKV

MP4 → MKV
Convert MP4 to MKV

All Video Formats

MP4
View all Video converters →

More Video tools

Convert to MKV →Convert from VOB →

Convert VOB to MKV Online - Free & Fast

Convert VOB files to MKV online for free. High-quality conversion with no registration required.

Video Converter

Upload or enter a URL to convert VOB to MKV instantly

Click to upload or drag & drop VOB file

or paste from clipboard

.vob,.VOB (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About VOB and MKV

VOB

VOB (DVD VOB) - DVD Video Object, MPEG-2 format for DVD discs. Best for dvd movies, legacy video archives.

MKV

MKV (MKV videos) - Matroska container with advanced subtitle and chapter support. Ideal for high-quality video with subtitles and chapters.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from dvd movies, legacy video archives to high-quality video with subtitles and chapters
File Size~Varies greatly depending on content after conversion

FAQs

Is converting VOB to MKV free?

Yes, GoConvertFile offers free conversion of VOB to MKV for files up to 100MB. No registration required.

How long does it take to convert VOB to MKV?

Most VOB to MKV conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is MKV best used for?

MKV is ideal for high-quality video with subtitles and chapters. Matroska container with advanced subtitle and chapter support

What file size should I expect after converting VOB to MKV?

File size after VOB to MKV conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

Related Tools

MP4 to MKV
Convert MP4 to MKV
MP4 to VOB
Convert MP4 to VOB
MKV to MP4
Convert MKV to MP4
MKV to AVI
Convert MKV to AVI
View all video converter converters
Tune output for this video conversion
80%
Smaller fileBetter quality