How to Speed Up YouTube Videos (3x, 4x and OVER)

You can watch the movies 3x, 4x speed on YouTube with below way.

On chrome browser,

• Open the video
• Press F12 key on the keyboard
• Go to the Console tab
• Paste below code to the line

document.getElementsByTagName("video")[0].playbackRate= 3;

Enjoy! Now you can watch the movies 3x speed.