MKV to VOB Converter

Turn an MKV into a VOB ready for DVD authoring and disc players. Free, in your browser, with no signup.

Select MKV file →

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Updated June 2026

Convert an MKV to VOB when you are heading toward a DVD. VOB is the DVD-Video Object format that sits on every video disc, built around MPEG-2 video with AC-3 or PCM audio, so it slots straight into DVD authoring tools and plays in DVD software and standalone players. Because VOB uses the older MPEG-2 codec, this conversion re-encodes the video to fit the DVD standard. EchoWave does it in your browser, free and with no signup.

Free, no sign-upNo account, no trial

Runs in your browserNothing to install

Works on every devicePhone, tablet, laptop

No watermarkClean output, every time

How it works

How to convert MKV to VOB

1
Upload your MKV
Drag your MKV onto the converter or pick it from your device. Nothing to install.
2
Choose VOB and convert
Select VOB as the output and start. Free, with no sign-up and no watermark.
3
Download your VOB
Save the finished VOB, or open it in the editor to trim, crop, or resize it first.

Try it

Estimate your VOB

Pick a video bitrate and a length to see the VOB file size before you convert.

Video bitrate

Length5 min

1 min30 min

Estimated VOB size183MBSharp 1080p

An estimate. Real size varies with resolution, frame rate, and how much the picture moves.

The formats

MKV vs VOB

MKV

Matroska Video

An open container that holds almost anything

Type: Open video container
Holds: Almost any codec, plus several audio and subtitle tracks
Typical size: Large, depends on the codec inside
Plays on: VLC and most modern players, less on default phone apps

Best for:Movies with multiple audio tracks and subtitles

VOB

DVD Video Object

The video format used on DVDs

Type: DVD video object
Holds: MPEG-2 video with AC-3 or PCM audio
Typical size: Large, sized for DVD
Plays on: DVD software and VLC

Best for:Footage taken from a DVD

Will it lose quality?

When the codecs already match VOB, the converter can change the container without re-encoding, so the picture stays identical.
When the video has to be re-encoded for VOB, a high bitrate keeps it visually close to the MKV.
Converting cannot add detail the MKV never had. The output is at best as good as the source.

Use cases

What people use it for

Play anywhereMake a clip your device supports

Video editorsGet footage your software accepts

Web videoUse a format browsers play

CourseworkHand in a standard video file

SharingSend a clip people can open

Troubleshooting

If something looks off

The VOB will not play

Some players are picky about codecs. Try it in VLC, which opens almost anything, or convert again and let the converter re-encode the video.

The file got larger

A format change can shift the size, and re-encoding at a high bitrate adds overhead. Lower the bitrate or trim the clip for a smaller file.

Audio and video drift out of sync

Re-download the source and convert again. If a long recording drifts, splitting it into shorter pieces usually fixes the sync.

FAQ

MKV to VOB questions

What is a VOB file?

VOB stands for DVD Video Object. It is the container that holds the actual movie on a DVD, packing MPEG-2 video together with AC-3 or PCM audio and, on a real disc, menu and navigation data. Converting an MKV to VOB gives you a file shaped for DVD playback and authoring.

Will a VOB file let me burn the video to a DVD?

VOB is the format DVD authoring software expects, so it is the right starting point. The converter produces the VOB video, and you then use a DVD authoring or burning tool to build the disc structure and write it. EchoWave creates the VOB, not the finished disc itself.

How do I play a VOB file on my computer?

VLC opens VOB directly on Windows and Mac, and Windows Media Player and most DVD software can play it too. If a VOB will not open, VLC is the most reliable choice because it reads the MPEG-2 video inside without extra codecs.

Will converting MKV to VOB reduce quality?

VOB uses MPEG-2, an older codec than the one inside most MKV files, so the video is re-encoded to fit the DVD standard. A higher bitrate keeps it close to the source, but MPEG-2 is less efficient, so expect a larger file for the same picture, and the result is at best as good as the original.

Is the MKV to VOB converter free?

Yes. EchoWave converts MKV to VOB with no signup, no file-count limit, no trial, and no watermark. Upload your video, pick VOB, and download the result from your browser.

How do I convert MKV to VOB?

Upload your MKV, choose VOB as the output format, and start. When it finishes, download the VOB or open it in the editor to trim the clip before you author the disc.

Should I use VOB or MP4?

Use VOB only when a DVD or DVD authoring tool is involved. For watching on a phone, computer, or smart TV, MKV to MP4 is smaller, sharper for the size, and far more widely supported than the DVD-era VOB format.

Does the MKV to VOB converter work on Mac, Windows, iPhone, and Android?

Yes. Picking the MKV and starting the MPEG-2 re-encode is all done in a browser tab, so it runs the same on macOS, Windows, a Chromebook, Linux, an iPhone, an iPad, or an Android phone. The catch with VOB is the next step: DVD authoring software and disc burners live on a Mac or PC, so most people grab the VOB on their phone and finish building the disc on a computer.