VOB files often come from DVDs, but they have limits. They are large, hard to play on modern devices, and not supported by many media players. On the other hand, MKV is flexible, supports subtitles, multiple audio tracks, and keeps high quality. So many benefits, right? Why not convert your VOB to MKV now? We will guide you here, so please keep reading to learn the easiest methods.

Method 1: AVAide MKV Converter

Why Pick This Tool: Fast, supports batch conversion, keeps quality, and comes with editing features.

And here is something fun: this program is not just about converting; it also has editing features, so you can cut, crop, rotate, merge videos, or even add subtitles before saving them as MKV. With only a few clicks, you can finish everything fast.

Below is a simple guide on how to convert VOB to MKV using AVAide MKV Converter:

Step 1Download and install AVAide MKV Converter on your computer. Once installed, open the program to see its clean main interface.

Step 2On the home screen, click the Add Files button in the top left corner to import your VOB file. A folder window will pop up; browse through your computer, find the VOB file you want, select it, and click Open.

Step 3Your VOB file is now loaded; what you need to do next is go to the Format option. Under the Video section, pick MKV as your output format. You can even tailor settings, like resolution or quality, if you want.

Step 4You are now at the last step, which is clicking the Convert All button. Please wait for a short while, and your VOB file will be converted into MKV format. That is just how easy and fast to convert using AVAide MKV Converter!

Method 2: VLC Media Player

Why Pick This Tool: Free, easy, and does not require an internet connection.

Check the tutorial below to learn how to convert VOB to MKV with VLC:

Step 1First, download VLC Media Player and open it. In the top left corner, click Media, then choose Convert/Save.

Step 3Now, click the small Settings button beside the drop-down button and pick MKV as the output format.

Step 4After that, press Browse to choose where you want to save the file. Finally, click Start to begin converting.

Method 3: HandBrake

Why Pick This Tool: Offers presets, filters, and subtitle options.

Discover how to convert VOB to MKV using HandBrake below:

Step 1Download HandBrake and open the program. On the first screen, click the File button to select your VOB file.

Step 2On the right side, find the Format option. From the list, choose MKV as your output.

Step 3To finish, click the Start Encode button at the top, and HandBrake will then start changing your VOB file into MKV.

Method 4: FFmpeg

Why Pick This Tool: Full control with editing through commands.

Not all tools use buttons and menus. FFmpeg works through command lines, which can be tough for new users. But this method gives you full control over how your VOB file becomes MKV. It also supports trimming, scaling, and many editing options hidden in its code. It is free but advanced.

It is how FFmpeg VOB to MKV conversion works:

Step 1Install FFmpeg on your computer and make sure it is set up correctly by running the ffmpeg.exe path.

Step 2On your desktop, click the Windows key, search for CMD (command prompt), and open it.

Step 3Find where your VOB file is stored. Then, in the command prompt, type this command:

ffmpeg -i input.vob -vn -ar 44100 -ac 2 -b:a 192k output.mkv

Step 4After typing, press the Enter key, and FFmpeg will start converting your file.

Method 5: MKVToolNix

Why Pick This Tool: Converts or joins VOB files with no quality loss.

When you need a clean MKV file without re-encoding, this convert VOB to MKV freeware shines. MKVToolNix lets you create MKV files from VOB videos quickly and even merge multiple VOBs into one, as long as they match the settings. The output size may be big, but it keeps the exact video quality with no loss.

Step 1Download and install MKVToolNix, then open it.

Step 2Drag and drop your VOB file into the Source file box. If the VOB files come from a DVD and are in the same folder with the right names, the program will load them together.

Step 3In the Tracks, Chapters, and Tags box, you will see the video, audio, and subtitle information. Remember, VOB files need to have the same settings to work.

Step 4Choose where you want to save the new file under Destination file. Once ready, click Start multiplexing to begin converting to MKV.

Method 6: Movavi (Online)

Why Pick This Tool: It lets you choose resolution and audio quality online.

This online service lets you upload a VOB file and pick your output quality, from source resolution to lower ones like 720p or 480p. It is simple to use and does not require installation. Just choose your video, select MKV, and set the resolution and audio bitrate that fit your needs.

Step 1Go to the Movavi - Convert VOB to MKV Online for Free website.

Step 2Add your VOB file by clicking the Add Your Media button.

Step 3MKV is automatically selected for you as the output format.

Step 4Optionally, you can open the Cogwheel button to fine-tune the Video Resolution and Audio Quality.

Step 5Finally, click the Convert button, and download your MKV file once finished.

Method 7: CloudConvert

Why Pick This Tool: Online and quick for small conversions.

If you want to convert VOB to MKV for free, CloudConvert is one of the most popular choices. Besides conversion, you can also use it to fine-tune output settings, like resolution, aspect ratio, video and audio codec, etc. It works well for small files, but larger videos need faster internet or even a paid plan.

Step 1Go to the CloudConvert website.

Step 2On the main page, click the big red Select File button and upload your VOB file from your device. You can even add more than one file to convert them all together.

Step 3After uploading, choose MKV as your output format from the drop-down list.

Step 4Click Convert, and the site will change it into MKV and let you download the result when it is ready.

By Sylvie Hyde on Sep 12, 2025