Convert VOB to MKV
VOB is great for DVD discs, but MKV is the better choice for movies with multiple audio tracks and subtitles. Convert VOB to MKV in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert VOB to MKV
- 1
Tap Choose files and select one or more VOB files (or drag them in).
- 2
Check that MKV is selected. Use Advanced options for resolution, size or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MKV downloads automatically. Converting several files? Grab them all as a ZIP.
VOB vs MKV
Both formats are lossy, so the video is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| VOB | MKV | |
|---|---|---|
| Full name | DVD Video Object | Matroska Video |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | DVD Forum | Matroska.org |
| Introduced | 1996 | 2002 |
| Plays on iPhone | ✕ No | ✕ No |
| Plays on Android | ✕ No | ◐ Partly / with an app |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ◐ Partly / with an app | ◐ Partly / with an app |
About VOB and MKV
VOB: VOB files are the video files on a DVD disc (inside the VIDEO_TS folder).
MKV: MKV is a flexible open container that can hold unlimited video, audio and subtitle tracks. It is popular for movies and anime but isn't supported by iPhone or most TVs out of the box.
Frequently asked questions
How do I convert VOB to MKV on my phone?
Will converting VOB to MKV reduce quality?
Is this VOB to MKV converter free?
Are my files uploaded to a server?
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