MOV Won't Open? Convert to VOB Instantly
Fast, instant MOV to VOB conversion. No signup required. Just drop your .mov file and get .vob in seconds.
Batch Settings
HDR data will be tone-mapped
Your MOV file may contain HDR (High Dynamic Range) data. VOB only supports standard dynamic range (SDR). Highlights and shadows will be compressed to fit the 8-bit range — subtle detail in very bright or dark areas may be lost.
Generation loss — quality may degrade
MOV uses lossy compression, and so does VOB. Converting means decoding and re-encoding — each cycle can permanently degrade quality. Convert from the original source file whenever possible.
Some metadata may not survive
Your MOV file may contain QuickTime atoms, chapter markers metadata. VOB has limited or no support for these metadata types. Location data (GPS), camera settings, and color profiles may be stripped during conversion.
Color depth reduction: 10-bit → 8-bit
MOV stores up to 10 bits per channel, but VOB supports only 8 bits. You may notice banding in smooth gradients (like sky or skin tones) where subtle color transitions are lost.
Default format on iPhone
Your device saves files in MOV by default (iPhone, iPad, Mac cameras). Most people convert because the files won't open on other devices — VOB is universally supported and will work everywhere.
What compression artifacts to expect
VOB lossy compression can produce MPEG-2 blockiness. At the high quality settings CocoConvert uses by default, these are usually invisible to the eye. Lower quality settings trade visual fidelity for smaller file sizes.
还在为MOV文件在某些设备上播放不畅，或者想刻录成DVD却犯愁吗？尤其是从iPhone或GoPro导出的MOV视频，在微信里分享给长辈或者朋友，可能遇到兼容性问题。而VOB格式，作为DVD视频的标准，不仅稳定性高，也更便于在老式播放器、车载系统上播放，甚至有些专业剪辑软件对VOB的支持也更友好。将MOV转换成VOB，能让您的视频内容在更多场景下流畅展现，免去格式不兼容的烦恼，让分享和使用都变得简单。
- 家庭DVD刻录与收藏
- 旧款播放器或车载系统播放
- 游戏机视频导入编辑
在华语地区，VOB格式对于习惯使用DVD播放机或希望将家庭影像刻盘留存的用户仍有一定需求。同时，部分旧款安卓手机或特定播放软件对MOV支持不佳，转换成VOB能提供更好的兼容性。
About MOV to VOB Conversion
Dealing with a MOV file that won't open on your device? You're not alone — MOV compatibility issues are one of the most common reasons people search for a file converter. MOV is Apple's QuickTime container, commonly used by iPhones and professional video cameras.
The fix is simple: convert your MOV to VOB. VOB is the DVD video format containing MPEG-2 streams, audio, subtitles, and menus. This conversion lets you improve file compatibility across devices, solving the problem in seconds rather than hours of troubleshooting.
Full Name: MOV uses QuickTime Movie, while VOB uses DVD Video Object. Compression: MOV uses Lossy, while VOB uses Lossy. Color Depth: MOV uses 8–10 bits (codec dependent), while VOB uses 8-bit. Your MOV file may contain HDR (High Dynamic Range) data. VOB only supports standard dynamic range (SDR). Highlights and shadows will be compressed to fit the 8-bit range — subtle detail in very bright or dark areas may be lost.
CocoConvert processes your MOV file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you Your MOV file won't open on a recipient's device or in an application, or when you A website, service, or platform only accepts VOB uploads. Common misconception: ""I'll convert to VOB and then back to MOV — it'll be the same"" — in reality, each lossy conversion cycle permanently degrades quality. going mov → vob → mov will produce a noticeably worse file than the original. always keep your source file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert MOV to VOB
- 1
Add your MOV file
Drag and drop your .mov file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick VOB output
Select .vob as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The video engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .vob file. For batch jobs, download all at once as a zip.
What Happens When You Convert MOV to VOB
Your MOV video is transcoded — video and audio streams are decoded and re-encoded into the VOB container. This is a lossy process that takes time proportional to the video duration.
Your MOV file is demuxed — video, audio, and subtitle streams are separated
The video stream is decoded frame-by-frame, then re-encoded with VOB-compatible codecs (typically H.264 for MP4)
The audio stream is decoded and re-encoded (or copied if the codec is compatible)
Subtitle and chapter data is preserved where the target supports it
Streams are muxed into the VOB container and the file is saved
MOV vs VOB — Detailed Comparison
| Feature | .MOV | .VOB |
|---|---|---|
| Full Name | QuickTime Movie | DVD Video Object |
| Compression | Lossy | Lossy |
| Color Depth | 8–10 bits (codec dependent) | 8-bit |
| HDR Support | Yes | No |
| Typical File Size | 100–300 MB per minute (ProRes), 50–200 MB (H.264) | 200–400 MB per minute (DVD quality) |
| Platform Support | Very Wide | Limited |
| Browser Support | Limited | none |
| Year Created | 1991 | 1996 |
| Open Standard | No | No |
Should You Convert MOV to VOB?
When to Convert
- ✓Your MOV file won't open on a recipient's device or in an application
- ✓A website, service, or platform only accepts VOB uploads
- ✓You captured this file on iPhone and need to share it with others
When NOT to Convert
- ✗You're converting just because the file "seems old" — re-encoding lossy-to-lossy always degrades quality
- ✗You want to preserve HDR information — VOB only supports standard dynamic range
Common Mistakes When Converting MOV to VOB
"I'll convert to VOB and then back to MOV — it'll be the same"
Each lossy conversion cycle permanently degrades quality. Going MOV → VOB → MOV will produce a noticeably worse file than the original. Always keep your source file.
Frequently Asked Questions
Why won't my MOV file open?
MOV files may not open if your device lacks the right codec or application. Converting to VOB — a more widely supported format — usually resolves this. VOB is the DVD video format containing MPEG-2 streams, audio, subtitles, and menus.
Is it safe to convert MOV to VOB online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting MOV to VOB?
Your MOV file may contain HDR (High Dynamic Range) data. VOB only supports standard dynamic range (SDR). Highlights and shadows will be compressed to fit the 8-bit range — subtle detail in very bright or dark areas may be lost. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my MOV file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert MOV to VOB on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.