Option 1:
Replace youtube.com into csyoutube.com (just add "cs" in front of "youtube")
Option 2:
1- Copy YouTube URL Address: Copy the address of the YouTube video you want to download.
2- Paste in the search field: Paste the YouTube URL address you copied into the search field and press the "ENTER" key.
3- Download Video: On the download page you will find audio in mp3 format and video in mp4 format. Click the "DOWNLOAD" button to start downloading the file.
Browser Extensions:
Install the "10convert browser extensions" plugin to your browser. Supported browsers: Google Chrome, Safari, Firefox, Microsoft Edge, Opera Next, Dolphin Browser, UC Browser