Convert VOB to AVI Online
Copy-protected DVDs encrypt VOB files with CSS (Content Scramble System), requiring decryption before conversion. Converting to AVI gives you a key advantage: extremely simple container structure that every windows media tool has supported since 1992. AVI is best for storing uncompressed or lightly compressed video for editing on windows-based workflows.
Why Convert VOB to AVI?
Copy-protected DVDs encrypt VOB files with CSS (Content Scramble System), requiring decryption before conversion — converting to AVI overcomes this by providing extremely simple container structure that every windows media tool has supported since 1992
AVI is the right choice when you need to: working with legacy windows video archives from the divx/xvid era
Gain broader compatibility — AVI works with Windows Media Player, VLC, FFmpeg, most video editors; macOS and Linux via third-party players
Your VOB files were created for extracting specific chapters or scenes from dvd video for editing, but now you need a format suited to different workflows
VOB vs AVI — Format Comparison
DVD Video Object (.vob)
Audio Video Interleave (.avi)
How to Convert VOB to AVI
Upload your VOB file
Drag your .vob file onto the upload area or click to browse. We accept VOB files up to 2 GB.
Choose AVI as output format
Select .avi (Audio Video Interleave) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your AVI file will be ready to download in seconds. The result is optimized for storing uncompressed or lightly compressed video for editing on windows-based workflows.
Frequently Asked Questions
Is the VOB to AVI conversion lossless?
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When both formats support lossless data, the conversion preserves all content. Depends on codec (DivX, Xvid, MJPEG, uncompressed); container supports up to 4K resolution.
How large will my AVI file be compared to the original VOB?
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VOB files are typically 500 MB – 1 GB per file (max 1 GB per VOB), while AVI files are typically 50 MB – 20 GB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted AVI file?
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AVI is compatible with: Windows Media Player, VLC, FFmpeg, most video editors; macOS and Linux via third-party players.
What is the maximum file size I can convert?
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PureConverter accepts VOB files up to 2 GB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between VOB and AVI?
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VOB (DVD Video Object) is best for extracting and converting video content from dvd disc backups. AVI (Audio Video Interleave) is best for storing uncompressed or lightly compressed video for editing on windows-based workflows. Key tradeoff: VOB's advantage is contains the complete dvd movie data — mpeg-2 video, multi-track audio (ac3/dts), subtitles, and menu navigation in one file, while AVI's advantage is extremely simple container structure that every windows media tool has supported since 1992.
Pro Tips for VOB to AVI Conversion
Review the output AVI file to ensure all formatting and content transferred correctly from your VOB source
Keep a backup of your original VOB file — while our conversion is reliable, having the source is always recommended
AVI works especially well for: importing old home videos into modern editing software for re-encoding
Did you know? AVI is based on Microsoft's RIFF (Resource Interchange File Format), the same container used by WAV audio files — both formats share the exact same chunk-based binary structure.
Ready to Convert?
Upload your VOB file above and get your AVI in seconds. Free, fast, and secure.