FormatDrop
How-To Guide

How to Convert MP4 to VOB

VOB (Video Object) is the format used inside DVDs — every commercial DVD movie stores video as VOB files in a VIDEO_TS folder. Converting MP4 to VOB is the first step in authoring a DVD that plays in standalone DVD players (vs. just data DVDs that play on computers).

Open MP4 to VOB Converter

Step-by-step instructions

  1. 1

    Upload your MP4 file

    Select your MP4. The converter will re-encode H.264 to MPEG-2 (the codec inside VOB) and AAC audio to AC-3 or MPEG audio.

    Go to converter
  2. 2

    Choose VOB output and DVD specs

    Select VOB. The converter applies DVD-Video specifications: 720×480 (NTSC) or 720×576 (PAL), MPEG-2 video at 4–9 Mbps, AC-3 audio at 192–448 kbps.

  3. 3

    Download VOB files

    VOB files are usually segmented into 1 GB chunks (DVD specification). The converter outputs VTS_01_1.VOB, VTS_01_2.VOB, etc., along with IFO and BUP files.

  4. 4

    Author and burn the DVD

    Import the VOB files into DVD authoring software (DVDStyler, Nero, ImgBurn) to create a complete DVD-Video structure with menus, then burn to a DVD-R or DVD+R disc.

Why convert MP4 to VOB?

VOB is the format that lives inside DVDs — designed in 1996 and unchanged since. Converting MP4 to VOB is how you bridge modern video files to physical media that your old DVD player accepts.

Your files never leave your device

FormatDrop runs the conversion engine entirely inside your browser using WebAssembly. No file upload. No server. Nothing stored. You can verify this by opening DevTools → Network tab and watching: zero upload requests.

Frequently asked questions

Why convert MP4 to VOB in 2026?
Compatibility with standalone DVD players is the only reason. If you have a relative who only watches discs on a DVD player, or you're archiving home videos to a physical format, you need VOB. For computer playback, MP4 is always better.
FFmpeg command for MP4 to VOB?
`ffmpeg -i input.mp4 -target ntsc-dvd -aspect 16:9 output.vob` (NTSC). For PAL: `-target pal-dvd`. The `-target` flag applies all DVD-Video specs automatically.
How long can a single-layer DVD hold?
A standard DVD-R holds about 4.7 GB, which equates to roughly 2 hours of standard-definition VOB at typical bitrates. Dual-layer DVD-R DL holds 8.5 GB — about 4 hours. Adjust your VOB bitrate to fit your runtime onto the disc.
Convert MP4 to VOB Now — Free

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