Convert APNG to VOB Online

APNG to VOB Converter

APNG is an animated PNG — a lossless web animation with a full 8-bit alpha channel. VOB (Video Object) is the container that holds the actual movie data inside a DVD's VIDEO_TS folder. This converter exists for one specific job: turning an APNG animation into an MPEG-2 stream you can drop into a DVD-authoring project. If you are not building an actual DVD, convert APNG to MP4 instead — it is smaller, plays everywhere, and is the right answer for almost everyone.

Is VOB the Right Target for You?

VOB is a DVD-only format. It is worth choosing only when you are authoring a physical disc or a VIDEO_TS folder that a set-top DVD player must read. The trade-offs are real: MPEG-2 is an older, less efficient codec than H.264/H.265, so files are larger at the same quality, and most phones, browsers, and editors will not open a .vob directly without VLC or a transcode. APNG's transparency also cannot survive the trip — DVD video has no alpha channel, so any transparent pixels are flattened onto the Background Color you choose. For everything except disc authoring, MP4 is the better destination.

APNG Format at a Glance

VOB Format at a Glance

How to Convert APNG to VOB

1. Upload Your APNG File: Drag and drop your APNG onto the page or click "Upload." You can add several files and use Merge images to combine them, or Video per image for one VOB each.
2. Set Quality Preset and Resolution: Pick a Quality Preset (Very High is the default) and a Video resolution. For a standards-compliant disc, set a fixed resolution of 720×480 (NTSC) or 720×576 (PAL).
3. Choose Background Color and Image Duration: Because VOB has no alpha channel, transparent areas are filled with the Background Color (Black by default). Set Image Duration to control how long each frame is held.
4. 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 transparency in my APNG be preserved in the VOB?

No. DVD-Video and MPEG-2 have no alpha channel, so transparency cannot be carried into a VOB. Every transparent or semi-transparent pixel is composited onto the Background Color you select before encoding — black by default. If keeping transparency matters, do not convert to a video format at all; keep the APNG or export a WebM/MOV with an alpha-capable codec instead.

Can I play a VOB file on my computer or phone?

Not in most default players. VOB is built for DVD playback, and Windows Media Player, QuickTime, and mobile players usually will not open it cleanly. VLC Media Player handles VOB everywhere because it ships its own MPEG-2 and AC-3 decoders. If you want a file that plays on any device by default, convert APNG to MP4 rather than VOB.

Why is the VOB output larger than an MP4 would be?

VOB uses MPEG-2 (H.262), a 1990s codec that is far less efficient than the H.264 inside a typical MP4. At the same visual quality, MPEG-2 needs several times the bitrate, so the file is bigger. That inefficiency is the price of DVD-player compatibility — it is the only video codec a standard set-top DVD player is guaranteed to decode.

What resolution should I pick for a DVD?

Use the DVD-Video standard for your region: 720×480 at 29.97 fps for NTSC (North America, Japan) or 720×576 at 25 fps for PAL (most of Europe, Australia). Choosing a non-standard resolution can produce a VOB that your authoring software re-encodes or rejects, so set a Fixed Resolution that matches your target disc.

Can I burn this VOB straight to a DVD?

Not by itself. A playable DVD needs a full VIDEO_TS folder with matching IFO (navigation) and BUP (backup) files alongside the VOBs, which a single converted VOB does not include. Import the VOB into DVD-authoring software — TMPGEnc DVD Author, DVDStyler, or similar — and let it generate the IFO/BUP structure before burning.

Why does each VOB cap out around 1 GB?

The DVD-Video spec splits any title into segments no larger than 1 GiB so that older operating systems and filesystems — some of which cannot address files past that size — can still read the disc. In our testing, short APNG-derived clips stay well under that ceiling, so a single VOB is typically all you get for one animation.

Will the VOB have any sound?

No. APNG is an image format with no audio stream — like PNG, it stores only frames and timing, never sound. So even though a VOB can carry MPEG audio, AC-3, or DTS, there is nothing to encode from the source, and the resulting clip is silent. If your finished DVD needs music or narration, add an audio track in your DVD-authoring software after importing the VOB.

Should I convert to VOB or just use MP4?

Choose VOB only if you are authoring a physical DVD or VIDEO_TS folder for a hardware DVD player. For sharing, editing, web embedding, or playback on phones and modern TVs, MP4 wins on size and compatibility every time — convert APNG to MP4 for that path. VOB is a deliberately narrow, disc-authoring choice.