How Do I Install The Convertiseur Tool Extension

First of all, you need to install the convertiseur tool extension. You can search for Tampermonkey in Chrome (or directly click the link to enter), and add it to the browser of your device. Then install and download the YouTube function for the convertiseur extension here. In this way, when you visit youtube, you can see an additional download function button under the playing video, so that you can download your favorite videos directly on YouTube.