Let's say that you want to embed the song Going To Hell by The Pretty Reckless from youtube to your Joomla! site. Or any other video from Youtube you want, but for now this is the example. Get JEmbedAll (a native component and plugin) and install the package on your site. Then open Add New Article form or a module that add text & HTML on your page and write down the following text, without the spaces.
[ youtube = https://www.youtube.com/watch?v=bmtbg5b7_Aw ]
You can also use the short URL for the same video: [ youtube = https://youtu.be/bmtbg5b7_Aw ] (also without spaces). They have the same results, as below (this isn't Joomla, but it uses the same php code).
