How to convert video format using vlc media player?

First open vlc media player

In the options tray click the media on there select convert/save 

It shows a window on that window click ADD and select a video in here i selecting .mp4 format

In here i selecting mp4 format video 
Next click convert/save 

It display a window click next to be a profile there's shows you many kind of format select whatever you want

OR

Click on ADVANCED SETTINGS same like above the picture

It shows you a new window there's many types of formats are displayed select your format and then click save in here i selecting mkv format

Next click browse for converted file is where to be saved

Select where you want to be saved in here i selecting to save a video in a desktop and give your's video name lastly click on save

Press start to convert the video

It play like a song for some seconds...... 

When it finishing your's converted video is saved in you selecting place my mkv format video is save in my desktop