VOB vs WEBP
A detailed comparison of DVD Video Object and WebP Image — file size, quality, compatibility, and which format to choose for your workflow.
DVD Video Object
Video FilesVOB (Video Object) is the container format for DVD video content.
About VOB filesWebP Image
Raster & Vector ImagesWebP is a modern image format developed by Google that provides superior lossless and lossy compression. Files are typically 25-35% smaller than equivalent JPEG or PNG images at the same visual quality.
About WEBP filesStrengths Comparison
VOB Strengths
- Universal DVD support on every player ever made.
- Carries multiple audio tracks, subtitles, and menus in one container.
- Mature tooling ecosystem for extraction and editing.
WEBP Strengths
- Smaller file sizes than JPEG, PNG, and GIF at equivalent visual quality.
- Single format for lossy photos, lossless graphics, transparency, and animation.
- Full alpha channel support with smaller files than PNG.
- Now universally supported in all modern browsers.
- Open-source reference implementation (libwebp) by Google.
Limitations
VOB Limitations
- Hard 1 GB file-size cap forces multi-file splits.
- MPEG-2 compression is 2-3× larger than modern codecs.
- Tied to CSS copy protection — decryption was once illegal.
- Disc-era format; streaming replaced DVDs for most users.
WEBP Limitations
- Some older software and image editors still don't read WebP natively.
- Max dimensions are 16,383 × 16,383 — lower than JPEG or PNG.
- Print workflows rarely support WebP (no CMYK, limited color management).
- Editing tools are less mature than JPEG/PNG; round-tripping can lose quality.
Technical Specifications
| Specification | VOB | WEBP |
|---|---|---|
| MIME type | video/dvd | image/webp |
| Extension | .vob | — |
| Container | MPEG-2 Program Stream with DVD extensions | — |
| Video codec | MPEG-2 | — |
| Audio codecs | AC-3, DTS, MPEG audio, LPCM | — |
| Compression | — | VP8 (lossy) or VP8L (lossless) |
| Color depth | — | 8 bits per channel |
| Max dimensions | — | 16,383 × 16,383 pixels |
| Transparency | — | Full 8-bit alpha channel |
| Animation | — | Supported since WebP 2012 revision |
Typical File Sizes
VOB
- Single VOB segment ~1 GB (capped)
- 2-hour DVD movie (full VIDEO_TS) 4-7 GB
WEBP
- Web photo (vs JPEG equivalent) 25–35% smaller
- Transparent logo (vs PNG) 20–30% smaller
- Animated replacement for GIF 60–80% smaller
- Hero banner (1920×1080) 150–400 KB
Ready to convert?
Convert between VOB and WEBP online, free, and without installing anything. Encrypted upload, automatic deletion after 60 minutes.
Frequently Asked Questions
VOB (DVD Video Object) is a video container format that bundles one or more video streams, audio tracks, and optional subtitles into a single file. The container format determines how metadata is organised and which codecs can live inside; the visual quality itself depends on the codec (H.264, H.265, VP9, AV1) rather than the VOB wrapper. It is part of the video files family.
VOB (DVD Video Object) is a video container formato that bundles one ou more video streams, audio tracks, e optional subtitles em a single file. The container formato determines how metadata is organised e which codecs can live inside; the visual quality itself depende de the codec (H.264, H.265, VP9, AV1) em vez de the VOB wrapper. It is part of the video arquivos family.
VLC, MPV and PotPlayer play nearly every VOB file on desktop. Browser support varies: modern Chromium, Firefox and Safari play common containers via the HTML5 <video> tag, but niche VOB variants may fail. If a device refuses your VOB, convert to MP4 with our VOB to MP4 converter for universal playback.
VLC, MPV e PotPlayer reproduzir nearly every VOB arquivo on desktop. Browser support varies: moderno Chromium, Firefox e Safari reproduzir common containers via the HTML5 <video> tag, mas niche VOB variants may fail. If a device refuses your VOB, converter to MP4 com our VOB to MP4 converter para universal playback.
Upload your VOB to KaijuConverter and pick MP4, MOV, MKV, WebM, or any other target. Our pipeline uses FFmpeg under the hood and stream-copies when codecs are compatible (no quality loss) or transcodes at high-quality defaults otherwise. Conversion runs server-side; both files delete within two hours.
Only when the target requires re-encoding. If the codecs inside VOB match what the target container supports, FFmpeg stream-copies the streams and the output is bit-identical to the source. Transcoding uses transparent quality defaults (CRF 20–23 H.264) and produces output indistinguishable from the original at normal viewing distance.