Youtube Channel username checker is an online free youtube tool for Finding the available username of any youtube channel. It is provided by martview-forum.com
STEPS:
1. Go to https://Youtools.martview-forum.com
2. Find the Username checker and click on it.
3. Copy the URL of your favorite youtube channel and paste it in the search box and hit the submit button.
4. You will see the username is available or not.