Step 1
Go to YouTube.com, click the search bar, and search for your desired video.
Step 2
Copy the video URL by right-clicking on the video and then clicking copy link address. You can also copy the video URL from the options menu.
Step 3
On this Homepage, paste the copied URL in the search input and click search. It will generate three thumbnail quality options.
Step 4
Click on the desired quality to download, or click "Search Again" to search for different videos.
Success
