You can generate Youtube Embed Code for your Videos from above tool, and it is free for use. You will get iframe embedded code of your videos and you can customise based on your choice.
Also, you can select Height, Width, Autoplay, Full Screen setting, HD Quality settings etc.
Which method should I use?
The best method for generating YouTube embed code depends on your needs. If you just need the basic embed code, then you can use the manual method. However, if you want to customize the code, then you should use an online tool.
Additional notes:
When using an online generator, be sure to choose a trusted website.
Make sure the embed code you generate is valid and safe to use.
You can always test the embed code before you use it on your website or blog.