Convert VOB to M4A
Extract the audio from VOB videos and save it as M4A — ideal for high-quality music and voice recordings for Apple and Android devices.
- 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 M4A
- 1
Tap Choose files and select one or more VOB files (or drag them in).
- 2
Check that M4A is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your M4A downloads automatically. Converting several files? Grab them all as a ZIP.
VOB vs M4A
Only the sound is kept — the picture is dropped, so the M4A file is far smaller than the VOB video.
| VOB | M4A | |
|---|---|---|
| Full name | DVD Video Object | MPEG-4 Audio (AAC) |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Developed by | DVD Forum | Apple / MPEG |
| Introduced | 1996 | 2001 |
| Plays on iPhone | ✕ No | ✓ Yes |
| Plays on Android | ✕ No | ✓ Yes |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ◐ Partly / with an app | ✓ Yes |
About VOB and M4A
VOB: VOB files are the video files on a DVD disc (inside the VIDEO_TS folder).
M4A: M4A is an MPEG-4 container holding AAC audio. It sounds better than MP3 at the same size and is the default format for iPhone voice memos, Apple Music downloads and many Android recorders.
Frequently asked questions
How do I convert VOB to M4A on my phone?
Will converting VOB to M4A reduce quality?
Can I convert only part of the VOB?
Is this VOB to M4A converter free?
Are my files uploaded to a server?
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