How to add a thumbnail to a YouTube video

Adding a custom thumbnail on a YouTube video is very simple and easy. Here's the steps to add a thumbnail on a YouTube video. Follow these steps to add thumbnail in just 2 minutes.

1.Sign in to YouTube Studio beta.

2.From the left menu, select Videos.

3.Select a video by clicking on its title or thumbnail.

4.Under “Thumbnail”, select Choose custom thumbnail.

5.Choose the file you’d like to use as your custom thumbnail.

6.Select Save.