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What is VOB?

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

What is VP9?

VP9 is Google's next-generation open-source video codec delivering 50% better compression than VP8 for 4K streaming.

When Should You Use VOB vs VP9?

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 VP9 When...

Reach for VP9 when your priority is youtube 4k, web video, chrome streaming — its efficient compression makes sharing fast and storage minimal.

VOB vs VP9: Key Differences

  • •VOB and VP9 diverge on compression: lossy compression for the source, lossy compression for the target.
  • •Both formats share lossy compression, so quality behavior is similar across the two — file size differences come from algorithm efficiency rather than compression philosophy.
  • •Alpha channel support: VP9 lacks transparency support.
  • •Storage footprint: 1-2GB per hour of DVD video for VOB vs Smaller than H.264 at same quality for VP9.
  • •Primary audience: VOB is built for dvd movies, legacy video archives scenarios, while VP9 focuses on youtube 4k, web video, chrome streaming — pick the format that matches your output requirement.

Advantages of VOB

  • ✓At its core, VOB relies on lossy encoding — a design choice that makes it perfect for DVD movies, legacy video archives.
  • ✓You won't run into compatibility issues with VOB — it's a universal standard across platforms.
  • ✓File size management with VOB: aggressive compression with minimal visible quality loss.
  • ✓Every major application in the DVD movies, legacy video archives space supports VOB natively.

Advantages of VP9

  • ✓VP9 uses lossy compression tailored for YouTube 4K, web video, Chrome streaming.
  • ✓VP9 is supported natively on virtually every device, browser, and operating system.
  • ✓VP9 files are compact and quick to transfer, even over slow connections.
  • ✓VP9 integrates seamlessly with all major web development tools and workflows.

Common Use Cases for VOB to VP9 Conversion

  • Marketing videos
  • Video archiving
  • Broadcast production
  • Video game cutscenes
  • Product demonstrations
  • Webinar recordings

Industry Applications

MarketingBroadcast MediaVideo SurveillanceGamingLive EventsVideo Conferencing

Best Practices for VOB to VP9 Conversion

  • →Converting VOB to VP9: match the output resolution and bitrate to your target platform's requirements
  • →VP9 offers efficient streaming-optimized compression — ideal for online delivery
  • →Use appropriate bitrate for the balance of quality and file size
  • →VP9 is a lossy format, so expect some quality loss at higher compression ratios
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

Video Compression Guide: Reduce File Size Without Losing Quality

Learn more about VOB and VP9 formats in our detailed guide.

Troubleshooting VOB to VP9 Conversion

  • !Video stutters during playback of VP9 → the frame rate may need adjustment; matching the source frame rate avoids judder
  • !Black bars appear around the converted VP9 → check aspect ratio and cropping settings before re-encoding
  • !Subtitles vanished after VOB to VP9 conversion → some containers handle subtitle tracks in separate streams
  • !VP9 file won't upload to a streaming platform → verify the format, codec, and bitrate comply with the platform's specifications

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Convert VOB to VP9 Online - Free & Fast

Convert VOB files to VP9 online for free. High-quality conversion with no registration required.

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About VOB and VP9

VOB

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

VP9

VP9 (VP9 video) - VP9, next-gen open-source video codec for 4K web video. Ideal for youtube 4k, web video, chrome streaming.

Format Comparison

CompressionLossy → Lossy
TransparencyN/A
Use CaseConvert from dvd movies, legacy video archives to youtube 4k, web video, chrome streaming
File Size~Smaller than H.264 at same quality after conversion

FAQs

Is converting VOB to VP9 free?

Yes, GoConvertFile offers free conversion of VOB to VP9 for files up to 100MB. No registration required.

How long does it take to convert VOB to VP9?

Most VOB to VP9 conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is VP9 best used for?

VP9 is ideal for youtube 4k, web video, chrome streaming. VP9, next-gen open-source video codec for 4K web video

What file size should I expect after converting VOB to VP9?

File size after VOB to VP9 conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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80%
Smaller fileBetter quality