


Note: The volume will go back to normal if you refresh the web page or open another YouTube video. You can also decrease the video volume by switching the number to 0.8 or 0.5. If you want to make YouTube videos even louder, you should replace the number in the = 2 // double the volume with higher values. YouTube videos should immediately become louder after you run these codes. Var source = audioCtx.createMediaElementSource(videoElement) Var videoElement = document.querySelector(“video”) Step 4: Paste the following codes after the symbol “ >” under the Console tab and press the Enter key to run these codes. Step 3: You will see a page appear on the right side of the current page. Step 2: Click the three vertical dots icon in the upper-right corner and then select More tools > Developer tools.

How to do that? The whole process of editing JavaScript is quite easy: The fist way about how to make YouTube louder is by editing JavaScript in one browser. Read More Way 1: Edit JavaScript in One Browser
