DivX to VOB Converter
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Supports: DIVX
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Need help?DivX vs VOB — Why Convert, and What You Get
DivX is a compact MPEG-4 Part 2 (ASP) video, almost always in an AVI container with MP3 audio. VOB is the DVD-Video container — an MPEG-2 program stream with AC-3, MP2, or LPCM audio — that standalone DVD players actually read. Convert DivX to VOB when you want to author a disc for an old DVD player that won't touch a DivX file. Just know two things up front: the conversion re-encodes from MPEG-4 to MPEG-2, so the file usually gets larger, and a single .vob is not a playable DVD by itself — you still need a DVD-authoring step.
Side-by-side Comparison
| Property | DivX | VOB |
|---|---|---|
| Video codec | MPEG-4 Part 2 / ASP | MPEG-2 (H.262); MPEG-1 allowed |
| Usual container | AVI (also .divx) | MPEG-2 program stream |
| Typical audio | MP3 | AC-3, MP2, or LPCM (no AAC) |
| Compression efficiency | Higher (smaller files) | Lower (larger files at same quality) |
| Standard resolution | Any | 720×480 (NTSC) / 720×576 (PAL) |
| Max video bitrate | No fixed cap | ~9.8 Mbit/s (DVD-Video spec) |
| Per-file size limit | None | ~1 GiB (DVD-Video / UDF) |
| Plays on standalone DVD player | Only DivX-certified players | Yes (every DVD player) |
| Released | DivX 4.0, July 2001 | DVD-Video spec, 1996 |
| Best for | Small downloads, PC/phone playback | Authoring discs for set-top DVD players |
When to Stay on DivX (or Convert to MP4 Instead)
- You only need to play the video on a computer, phone, smart TV, or media-streaming box — those handle MPEG-4 natively.
- You want the smallest file. MPEG-2 is less efficient than MPEG-4 ASP, so VOB output is usually bigger than the DivX you started with.
- You're sharing online or by email. For modern playback, convert DivX to MP4 instead — H.264/MP4 is smaller and plays nearly everywhere.
When to Convert to VOB
- You're building a video DVD for an older standalone DVD player that has no DivX support and no DivX-Certified logo.
- You're feeding a DVD-authoring program. Tools like DVD Flick, ImgBurn, or Nero expect MPEG-2 video and produce the full VIDEO_TS structure.
- You need DVD-standard audio. VOB uses AC-3 or MP2, the codecs a hardware DVD player decodes — DivX's MP3 track has to be re-encoded for the disc.
How to Convert DivX to VOB
- Upload Your DivX File: Drag and drop your .divx or .avi file, or click "Add Files." You can queue several clips and convert them with the same settings.
- Pick Quality Preset: Open Advanced Options and set the Quality Preset (Very High is the default) or, for DVD targets, switch to Constant Bitrate and keep it under ~9.8 Mbit/s so the stream stays DVD-compliant.
- Set Resolution (Optional): Under Video resolution, choose a Preset Resolution of 720×480 for NTSC or 720×576 for PAL DVDs; leave "Keep original" if you'll let your authoring tool scale it.
- Convert and Download: Click Convert and download your VOB. Files upload over an encrypted connection, are processed on our servers, and are deleted automatically after a few hours. No sign-up, no watermark.
Frequently Asked Questions
Will the VOB file be larger than my DivX file?
Usually, yes. DivX uses MPEG-4 Part 2, which is more efficient than the MPEG-2 codec required by VOB, so re-encoding to DVD-Video typically increases the file size even at similar visual quality. That's the trade-off for getting a stream a standalone DVD player can read.
Can I just burn this VOB to a disc and play it?
Not on its own. A playable video DVD needs the full VIDEO_TS folder — the VOB files plus the IFO navigation files and their BUP backups. Import the VOB into DVD-authoring software (DVD Flick, ImgBurn, or Nero) to generate that structure and burn a compliant disc.
Why won't my standard DVD player play the original DivX file?
The DVD-Video specification only allows MPEG-2 (and MPEG-1) video — DivX's MPEG-4 ASP isn't part of the standard. Some players carry a "DivX Certified" logo and can read DivX directly, but most older set-top players can't, which is exactly why converting to MPEG-2 VOB helps.
What resolution should I choose for a DVD?
Use 720×480 for NTSC (North America, Japan) or 720×576 for PAL (most of Europe and Asia) — those are the frame sizes the DVD-Video spec defines. In our testing, leaving a 16:9 DivX at its original resolution and letting the authoring tool downscale to 720×480 produced a clean anamorphic widescreen DVD.
Does converting to VOB lose quality?
It's a re-encode, so there's some generation loss going from MPEG-4 to MPEG-2. Keeping the bitrate high (close to the ~9.8 Mbit/s DVD ceiling) minimizes it, but you'll never gain detail the source DivX didn't already have. If you don't actually need a DVD, converting to MP4 avoids forcing the less-efficient MPEG-2 codec.
Why isn't AAC an audio option for the output?
DVD-Video doesn't support AAC. The spec allows AC-3 (Dolby Digital), MPEG-1/2 Layer II, LPCM, and DTS — so the converter re-encodes the DivX file's MP3 track into a DVD-compatible codec rather than passing it through.
Is the conversion private?
Yes. Your file uploads over an encrypted connection, is processed on our servers, and is deleted automatically after a few hours. There's no sign-up, no watermark, and your files are never shared or made public.