To make a custom thumbnail for YouTube, you can use editing tools available on your PC or Mac computer.

Some things you will learn in this tutorial for LinkedIn videos: - How to use LinkedIn for beginners - Posting video on LinkedIn 2020 - How to add custom thumbnail to LinkedIn video - LinkedIn ...

In this video, I show you how to use the new YouTube A/B Thumbnail Testing tool. This tool, which is now available to everyone, allows you to test different thumbnails to see which one performs ...